Q. 293.7( 6 Votes )

Find the coefficient of x in the expansion of (1 – 3x + 7x2) (1 – x)16.

Answer :

To Find : coefficient of x

Formula :

We have a formula,

Therefore, expansion of (1-x)16 is given by,


Multiplying the second bracket by 1 , (-3x) and 7x2

In the above equation terms containing x are

and -3x

Therefore, the coefficient of x in the above expansion



Conclusion : coefficient of x =-19

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.