write the sum of the coefficients in the expansion of the given term:

Asked by ashwinikumar59 | 1st Dec, 2010, 08:09: PM

Expert Answer:

Dear Student,
Sum of coefficients in a polynomial is simply calculated by substituting x=1
So,
(1-3+1) = -1
This method is true for any power of any polynomial.
Regards Topperlearning.

Answered by  | 1st Dec, 2010, 09:12: PM

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