If the coefficient of a⁷b⁸... | Binomial Theorem | JEE Main 2021

JEE Main 2021

31-08-2021 S1

Question

If the coefficient of $a^7 b^8$ in the expansion of $(a+2 b+4 a b)^{10}$ is $K .2^{16}$, then $K$ is equal to $\_\_\_\_$ .

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Question Tags

JEE Main

Mathematics

Medium

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