Answer :

To find: Expansion of

Formula used: (i)

(ii) (a+b)^{n} = ^{n}C_{0}a^{n} + ^{n}C_{1}a^{n-1}b + ^{n}C_{2}a^{n-2}b^{2} + …… +^{n}C_{n-1}ab^{n-1} + ^{n}C_{n}b^{n}

We have,

Ans)

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