Q. 4 4.0( 50 Votes )

Write the general term in the expansion of

(x2 – yx)12, x ≠ 0.

Answer :

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



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