Question

if a=i^+j^,b=k^-i^and c=a+b. find c = a+b find c×(a-b)​

Answer 1

Answer:

c = j^ + k^

a - b = 2i^ + j^ - k^

c X ( a - b ) = - 2i^ + 2j^ - 2k^

sorry unable to show the calculation of determinant

hope this helps