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Let f(x) = x^{10}+5x^9-8x^8+7x^7-x^6-12x^5+4x^4-8x^3+12x^2-5x-5 find the remainder when  is divided by x^2 -1 .

 Dec 4, 2017
 #1
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The remainder is 5x - 4.

 Nov 21, 2019

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