Q7 of 70 Page 371

Using binomial theorem, expand each of the following:


To find: Expansion of


Formula used: (i)


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


We have,


⇒  5C0(x)5-0 + 5C1(x)5-1 + 5C2(x)5-2 + 5C3(x)5-3+ 5C4(x)5-4+ 5C5




⇒



Ans)




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