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JEE Questions for Maths Matrices And Determinants Quiz 11 - MCQExams.com
JEE
Maths
Matrices And Determinants
Quiz 11
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2
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–2
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3
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–3
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3
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2
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1
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Zero
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1
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0
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–3
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–2
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Not –2
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1
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–2
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Either –2 or 1
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0
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1
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2
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Infinite
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–1
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0
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1
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Dependent of a
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None of these
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–1
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0
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1
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One trivial, and one non-trivial solution
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No solution
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One solution
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Infinite solution
Explanation
It is based on fundamental concepts.
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15
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2)
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16
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–3
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2)
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0
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2
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–1, 2
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1, 2
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0, 1
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–1, 1
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1
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0
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–1
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2
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Are in A.P.
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Are in G.P.
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Are in H.P.
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0
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1
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3
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0
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1
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–1
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None of these
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It is inconsistent
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It has only single solution x = 0, y = 0, z = 0
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Determinant of coefficient of matrix is zero
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It has infinitely many solutions
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1
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–1
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0
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None of these
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0
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2)
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1
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2
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1
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–1
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0
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pqr
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2)
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No solution
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Exactly one solution
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Infinite solution
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None of these
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0
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1
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2
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Infinite
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Abc
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0
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1
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None of these
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2)
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A unique solution
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No solutions
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An infinite number of solutions
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Zero solution as the only solution
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Positive
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2)
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Negative
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0
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2)
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2)
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None of the above
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–1
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1
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0
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No real values
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2, 1, 5
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(1, 1, 1
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1, –2, –1
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1, 2, –1
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3
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–3
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2
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–2
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2)
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None of the above
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2)
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None of these
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0
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2)
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168
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2
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Infinite number of solutions
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Exactly 3 solutions
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A unique solution
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No solution
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2)
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0
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2)
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1
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2
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–1
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–2
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3
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2
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1
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0
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2)
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None of the above
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2)
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0%
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–2 and 7
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–2 and –7
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2 and 7
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2 and –7
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Dependent on a, b, c and d
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Independent of a, b, c and d
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Dependent on a, c and independent of b, d
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None of the above
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0
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2)
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1
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a is one of the cube roots of unity
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b is one of the cube roots of unity
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1
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0
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1
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None of the above
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–1
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2
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1
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0
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2)
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– ve
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+ ve
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Depends on a, b, c
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None of these
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