If one zero of quadratic polynomial x cube - x - (2+2k) is -4 find the value of k...
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Hey... I think this can be ur answer!!
Polynomial - x3 - x - (2k+2)
Zero - (-4)
P(-4) = (-4)3 - (-4) - (2k+2)=0
= 64 +4 - 2k - 2 =0
= - 2k =-66
= k =66/2 =33
Hope it helps you ☺️☺️
Polynomial - x3 - x - (2k+2)
Zero - (-4)
P(-4) = (-4)3 - (-4) - (2k+2)=0
= 64 +4 - 2k - 2 =0
= - 2k =-66
= k =66/2 =33
Hope it helps you ☺️☺️
Answered by
0
-4 is zero then substitute x=-4 in equation
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