Question

Two vectors A and B are related as A - 2B = -3(A+B). If A = 6 i - 2 j then B =?(in vector form)

Answer 1

Answer:

here B=-8(3i^-j^)

Explanation:

6i^-2j^-2B=-3(6i^-2j^+B)

6i^-2j^-2B=-18i^+6j^-3B

6i^-2j^+18i^-6j^=-3B+2B

24i^-8j^=-B

B=-8(3i^-j^)