Question

Two vector A and B such that a+b=a-b then the correct statement

Answer 1

Explanation:

the correct statement is that:

The sum and difference of two unit vector are equal in magnitude .

Find angel between them.

Ans : The angle between the is theta = 90 degree.

It come when square on both side and evaluate it .

Thank you.

Answer 2

Explanation:

the correct option is cos theta is equal to 90 degree