Question

8. If a=i+j+k, 5 =i+j, ĉ=î and (axb)xc = kā + ub, then the value of+u is
(1) 0
(2) 1
(3) 6
(4) 3
than lamba + mew​

Answer 1

Not understandable, there are more than one errors in the question.

Vector b is not mentioned.