Explanation
Find the distance between the points whose position vectors are given as follows
−2ˆi+3ˆj+5ˆk,7ˆi−ˆk
Given that,
Dimensions of the hall x =24cm×8cm×6cm
Now Leght of the longest pole which can be accommodated in the hall x =√242+82+62=26cm
d=√(x2−x1)2+(y2−y1)2+(z2−z1)2
The coordinates are (−3,6,7) and(2,−1,4)
d=√(2−(−3))2+((−1)−6)2+(4−7)2
d=√(5)2+((−7)2+(−3)2
d=√25+49+9
d=√83
d=9.11
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