If (x+2) is a factor of [(x+1)^5+ (2x+k)^3 I find the value of k.
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Step-by-step explanation:
= x+2 = 0
= x = -2
= Put x = -2 ,
= [(x+1)^5 + (2x+k)^3
= [(-2+1)^5+(2(-2)+k)^3
= [(-1)^5+((-4)+k)^3
= [-1 -46+k^3]
= -47+k^3 = 0
= k^3= 47
= k =√47
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