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JEE Main Mathematics question

MathematicsBinomial TheoremJEE Main

The interval in which must lie so that the numerically greatest term in the expansion of has the numerically greatest coefficient, is

Answer: (B)

Solution

The greatest coefficients are , so the numerically greatest term must be or ; with the ratio is . needs , i.e. ; needs , i.e.

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Question ID VK-021195