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JEE Main 2015 Mathematics question

MathematicsBinomial TheoremJEE Main 2015

The term independent of in the binomial expansion of is

Answer: (4)

Solution

The general term of is

= {}^-Missing argument for \frac\frac = {}^ - .

Now pair each factor of the first bracket with the power of it needs. With the constant 1 we would need , which has no integer solution. With

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Question ID VK-115381