Find the sum of the coefficients

Find the sum of the coefficients

Postby Math Tutor » Mon Jan 07, 2013 1:53 am

What is the sum of the coefficients?
[tex](x^3 - 2x + 2)^{35}(x^2 - 5x + 3)^{18}[/tex]





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Re: Find the sum of the coefficients

Postby Guest » Fri Jan 11, 2013 2:45 pm

Math Tutor wrote:What is the sum of the coefficients?
[tex](x^3 - 2x + 2)^{35}(x^2 - 5x + 3)^{18}[/tex]


This is equal to f(1)=[tex](1-2+2)^{35}*(1-5+3)^{18}=1^{35}*(-1)^{18}=1[/tex]

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