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JEE Main Mathematics question

MathematicsBinomial TheoremJEE Main

If the number of terms in the expansion of , , is , then the sum of the coefficients of all the terms in this expansion, is

Answer: (D)

Solution

Defect: counted after combining powers of , the expansion has terms, and has no integer solution; the source counts the terms of the multinomial expansion,

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Question ID VK-021259