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