If the volume of a parallelopiped, whose coterminus edges are given by the vectors a = i + j +n k , b =2 i +4...

Question

If the volume of a parallelopiped, whose coterminus edges are given by the vectors a = i + j +n k , b =2 i +4 j -n k and c = i +n j +3 k (n ≥ 0), is 158 cu. units, then :

Accepted Answer

(B)

JEE Main 2020 Mathematics question

Solution