Question

a=2i+3j+k
b=i-j+k
Find the unit vector perpendicular to both​

Answer 1

Answer:

First to define AX B then to get the unit vector. So (2 i+ j + k)X(i+j+k)= (2–1) k +(1–1) i +(1–2) j

Hence the vector becomes k - j.Therefore the unit vector is(k-j)/√(1²+1²)=(k-j)/√2.Ans…