the sum of the remainder obtained when (x^3+(k+8)x+k) is divided by (x-2) or when it is divided by(x+1)is0find the वैल्यू of k
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using remainder theorem
x^3+(k+8)x+k
=(2)^3+(k+8)(2)+k
=8+2k+16+k
=3k+24
x^3+(k+8)x+k
=(-1)^3+(k+8)(-1)+k
=-1-k-8+k
=-7
3k+24-7=0
3k+17=0
3k=-17
k=-17/3
x^3+(k+8)x+k
=(2)^3+(k+8)(2)+k
=8+2k+16+k
=3k+24
x^3+(k+8)x+k
=(-1)^3+(k+8)(-1)+k
=-1-k-8+k
=-7
3k+24-7=0
3k+17=0
3k=-17
k=-17/3
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