JEE Main 2022 Mathematics question

MathematicsBinomial TheoremJEE Main 2022

Let the ratio of the fifth term from the beginning to the fifth term from the end in the binomial expansion of , in the increasing powers of be : 1. If the sixth term from the beginning is , then is equal to .

Answer: 84

Solution

The fifth term from the beginning is and the fifth term from the end is . Their ratio is =

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Question ID VK-035160