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Question

The middle term in the expansion of (10x+x10)10 is

A
10C5
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B
10C6
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C
10C51x10
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D
10C5x10
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E
10C51010
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Solution

The correct option is A 10C5
MIddle term of the expansion of (10x+x10)10 is T6.
T6=10C5(10x)5(x10)5
T6=10C5
Hence, A is the correct option.

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