Question

please solve it step by step ​

Answer 1

Explanation:

here is your answer to the question

Answer 2

Answer:

4

Explanation:

The vector projection of 3i + 4k on z - axis is 4 because there is a component of x - axis i.e 3 and also there is a component of z - axis i.e 4 but there is no component of y - axis . on this vector.

Therefore,

Projection of 3i + 4k on z - axis = 4

Hope it helps!