find the value of k if (x+K) is a factor of the polynomial x3+kx2-2x+k+4
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here is your answer...
hope it will help you ......Thanks........
hope it will help you ......Thanks........
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yatharthverma56:
its not 3x+k2x-2x+k+4 it is x^3+kx^2-2x+k+4
which ans is correct
Answered by
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g(x)= x+ k =0
x= -k
p(-k) = -k3+ k(-k)2 - 2(-k)+k+4 =0
=-k +k2+2k+k+4 =0
=k2+2k+4=0
=k2+2k = -4
=k +2k =-4root
=k+2k= -2
=k+k =-2/2
=k+k =-1
= 2k = -1
=k= -1/2
hope it will help u....plzz mark it as brainliest
x= -k
p(-k) = -k3+ k(-k)2 - 2(-k)+k+4 =0
=-k +k2+2k+k+4 =0
=k2+2k+4=0
=k2+2k = -4
=k +2k =-4root
=k+2k= -2
=k+k =-2/2
=k+k =-1
= 2k = -1
=k= -1/2
hope it will help u....plzz mark it as brainliest
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