Question

12. A = 2î+j, B = 3j - k and C = 6j - 2k value of A-2B+3C would be:​

Answer 1

Answer:

u need to solve so the answer is given condition A-2B+3C WOULD BE

GIVEN A=2i+j B=3j-k C=6j-2k

Explanation:

sol (2i+j)-2(3j-k)+3(6j-2k)

multiply the number out of the bracket in all the digits of number so

2i+j-6j+2k+18j-6k

add the same terms

2i+13j-4k ans