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Binomial Theorem question

2021 · 25 Jul · Shift 2 · Q27

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PYQ Library
JEE Main
Mathematics
Binomial Theorem
2021 · 25 Jul · Shift 2 · Q27

Binomial Theorem question

2021 · 25 Jul · Shift 2 · Q27

JEE MainMathematicsBinomial TheoremMCQ+4 / −1

If the greatest value of the term independent of 'x' in the expansion of

{\left( {x\sin \alpha + a{{\cos \alpha } \over x}} \right)^{10}}

is

{{10!} \over {{{(5!)}^2}}}

, then the value of 'a' is equal to :

A
$-$ 1
B
1
C
$-$ 2
D
2

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