Question

Vector that add to the sum of 2i-5j+3k and4i+7j-4k to give unit vector along X axis

Answer 1

Answer:

-5i -2j + k

Explanation:

Let X be the vector added.

The unit vector along x axis is i

X + 2i-5j+3k + 4i +7j- 4k = i

X + 6i +2j -k = i

X = i - 6i -2j + k

X = -5i -2j + k