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JEE Advanced 2023 Paper 1 Solutions

Section: Mathematics

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Question : 47 of 51

Marks: +1, -0

Let a and b be two nonzero real numbers. If the coefficient of x5 in the expansion of (ax2+‌

)4 is equal to the coefficient of x−5 in the expansion of (ax−‌

)7, then the value of 2b is

[JEE Adv 2023 P1]

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