If vec(A) = (2,-3,1) and vec(B) = (3,4,n) are mutually perpendicular then find the value of n .

If vec(A) = (2,-3,1) and vec(B) = (3,4,n) are mutually perpendicular t

1.	If vec(A) = (2,-3,1) and vec(B) = (3,4,n) are mutually perpendicular then find the value of n .
Answer» Solution :`VEC(A) bot vec(B)` ` :. vec(A) .vec(B) = 0 ` ` :. (2) (3) +(-3)(4) +(1)(N) = 0 ` ` :. n = 6 `