Q4 of 26 Page 8

Write the general term in the expansion of

(x2 – y)6

The general term Tr+1 in the binomial expansion is given by Tr+1 = nCr an-r br . ……..1

Here a = x2 , n =6 and b = -y


Putting values in 1


Tr+1 = 6Cr x 2(6-r) (-1)r yr



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