Question

If a vector is equal to 2 i cap -3j cap +k cap and b vector is equcal to 8 i cap + l λj cap + 4 k cap is pariller then λ =

Answer 1

Explanation:

when two vectors are parallel then a→ = kb→ so from the data we can observe that k is 4 , so y component of given vector should be equal to -12