Question

if magnitude of a plus b is equal to magnitude of a minus b find angle between a and b vectors​

Answer 1

Explanation:

|a+b|=|a-b|

squaring on both sides.

a^2 +b^2 +2|a||b|Cos@ = a^2 +b^2 -2|a||b|Cos@

on further solving...

4|a||b|Cos@ = 0

Cos@=0

@= π/2

Answer 2

Explanation:

Hope this will help you