Two vectors \ov A & \ov B have precisely equal magnitudes. For the magnitude of \ov A +\ov B to be larger than the magnitude of \ov A -\ov B by a factor n, what must be the angle between them

Correct Answer is : 2Tan−1(1n)

AP and TS EAMCET Engineering Model Paper 10

Question : 84 of 160

Marks: +1, -0

Two vectors A‌&‌B have precisely equal magnitudes. For the magnitude of A+B to be larger than the magnitude of A−B by a factor n, what must be the angle between them

Tan−1(
1
n
)
2Tan−1(n)
2Tan−1(
1
n
)
Tan−1(n)

Validate

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