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March 3, 2015

March 3, 2015

Posted by **Jack** on Saturday, April 13, 2013 at 11:04am.

- Math ( Polynomial ) -
**black_widow**, Saturday, April 13, 2013 at 3:35pmby using long division,

divide x^4-6x^3+16x^2-25x+10with x^2-2x+k,

then you will find:

remainder=(-9+2k)x +10-8k+k^2

comparing with x + a,

-9+2k=1,k=5

a=10-8k+k^2,a=-5

therefore k + a=5-5=0

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