SOLUTION: Express f(x)= x^3-7x^2+18x-13 as a polynomial in powers of (x-3). Hence,show that f(x)>0 for all x>3.

SOLUTION: Express f(x)= x^3-7x^2+18x-13 as a polynomial in powers of (x-3). Hence,show that f(x)>0 for all x>3.

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Question 1081690: Express f(x)= x^3-7x^2+18x-13 as a polynomial in powers of (x-3). Hence,show that f(x)>0 for all x>3.
Answer by Edwin McCravy(20059) (Show Source): You can put this solution on YOUR website!



Let 



 



Multiply all that out, collect like terms, and you'll get



Edwin

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