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Binomial Theorem question

2023 · 10 Apr · Shift 1 · Q29

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PYQ Library
JEE Main
Mathematics
Binomial Theorem
2023 · 10 Apr · Shift 1 · Q29

Binomial Theorem question

2023 · 10 Apr · Shift 1 · Q29

JEE MainMathematicsBinomial TheoremMCQ+4 / −1

If the coefficient of

{x^7}

in

{\left( {ax - {1 \over {b{x^2}}}} \right)^{13}}

and the coefficient of

{x^{ - 5}}

in

{\left( {ax + {1 \over {b{x^2}}}} \right)^{13}}

are equal, then

{a^4}{b^4}

is equal to :

A
22
B
33
C
44
D
11

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