If $f(x)=2 \sin ^{-1} \sqrt{x-3}$, then the domain of $f$ is

JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

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Understanding +4 | -1

f(x)=2 \sin ^{-1} \sqrt{x-3}

, then the domain of

f

View answer and explanation

Correct option: A

[3,4]

Option A (

{ }^{m+n} C_k

) is correct because the given expression represents the coefficient of

x^k

in the expansion of

(1+x)^m (1+x)^n = (1+x)^{m+n}

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