Question

the angle between two equal vectors if the magnitude of their sum is twice the magnitude of either of the vecors​

Answer 1

The magnitude of the sum is twice the magnitude of either vectors

Answer 2

Here, ∣

A

+

B

∣=∣

A

−

B

∣

A

2

+B

2

+2

A

.

B

=A

2

+B

2

−2

A

.

B

4

A

.

B

=0

As dot products of two vectors is zero so the angle between them will be 90

o

.

Step-by-step explanation: