Two vectors A^{\to} and B^{\to} have equal magnitudes.The magnitude of (A^{\to}+B^{\to}) 'n' times themagnitude of (A^{\to}-B^{\to}). The angle between A^{\to} and B^{\to} is : [10 Jan 2019 Shift 2]

Correct Answer is : cos−1[n2−1n2+1]

\sin^{-1} [\frac{n^2-1}{n^2+1}]

\cos^{-1} [\frac{n^2-1}{n^2+1}]

JEE Main 10 Jan 2019 Shift 2 Solved Paper

Section: Physics

Question : 13 of 90

Marks: +1, -0

Two vectors

→

and

→

have equal magnitudes.The magnitude of (

→

) 'n' times themagnitude of (

→

−

→

). The angle between

→

and

→

is :

[10 Jan 2019 Shift 2]

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