Question

If a bar is equal to 2 i + j + 2 k, bieber is equal to 5 and - 3j + ke, then the length of the compliment vector of

Answer 1

Answer:

(2i+2j+3k).(3i+6k+nk)=0 2i.3i + 2j.0j + 3k.(6+n) k =0 6+3(6+n)=0 6+n=-2 n=-8. Therefore the value of n is -8 for the two vectors A ........................