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If x + 1 is a factor of the polynomial x3 + kx2 - 2x + k + 4 , find the value of K |
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Answer» - 5/2 x-1=0x=1Let p(x)=x³+kx²-2x+k+4Putting x=(-1)P(-1)=-1³+k(-1)²-2(-1)+k+4=(-1)+k+2+k+4=5+2k2k=-5k=-5/2 |
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