Mathematics I (Calculus) - Old Questions

13. Define cross product of two vectors .if a=i+3j +4k and b-= 2i+7j=5k, find the vector a × b and b × a.

If u=(u₁, u₂, u₃) and v=(v₁, v₂, v₃) then the cross product of u and v is a vector

It is also written as

Now,

Given that,

We have,

Thus,