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Question

The general term in the expansion of $$(x + a)^n$$


A
nCrxnr.ar
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B
nCrxr.ar
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C
nCnrxnr.ar
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D
nCnrxr.anr
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Solution

The correct option is A $$\,^nC_r\,x^{n-r} .a^r$$
The general term in the expansion of $$(x + a)^n$$ is$$\,^nC_r\,x^{n-r} .a^r$$

Mathematics

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