Question

Find the sum of the vectors a=i-2j+k, vector b=-2i+4j+5k and vector c=i-6j-7k.

Answer 1

Hello!

$\vec{\sf a} + \vec{\sf b} + \vec{\sf c}$ :

$\sf (1 - 2 + 1) i + \sf (-2 + 4 - 6) j + \sf (1 + 5 - 7) k = \sf -4 j + k$

Cheers!