Q. 9 3.7( 3 Votes )

Using binomial theorem, expand each of the following:

Answer :

To find: Expansion of

Formula used: (i)

(ii) (a+b)n = nC0an + nC1an-1b + nC2an-2b2 + …… +nCn-1abn-1 + nCnbn

We have,

We can write as and as

Now, we have to solve for


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