Write the general term in the expansion of
(x2 – yx)12, x ≠ 0.
The general term Tr+1 in the binomial expansion is given by Tr+1 = nCr an-r br
Here n = 12, a= x2 and b = -yx
Putting the values
Tn+1 =12Cr × x2(12-r) (-1)r yr xr
=