Question

Question 2
What should be the angle between (A+B) and A-B such that the magnitude of
resultant is[√ 3A^2+ B^2]​

Answer 1

Explanation:

we have two vectors A+B and A- B

adding them we get 2A

resultant given = √ 3A^2 + B^2

squaring both sides we get

4 A^2 = 3 A^2 + B^ 2

A^2 = B ^2

A^2- B^2 =0

therfore (A+B).(A-B)= 0

DOT profuct is zero so angle bwteen them is 90