Question

If X plus one is a factor of KX^ 4+ 4X^3 -12 X^2+4X find the value of K

Answer 1

step by step solution

x+1=0,x=-1

p(x)=kx^4+4x^3-12x^2+4x=0

p(-1)=k(-1)^4+4(-1)^3-12(-1)^2+4(-1)=0

p(-1)=k-4-12×1-4=0

p(-1)= k - 20 =0

p(-1)=k=20

Mark it as brainlist