Find all the zeros of f(x) f(x) = 2x^4 - 7x^3 - 27x^2 + 63x + 81 List answers from smallest to largest.  If there is a double root, list it twice.

aruv | Student

We have


Apply remainder theorem


This means (x+1) is factor of f(x).




This means  (x-3) is facor of f(x)









So zeros of f(x) are


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