Question

11. If x = - is a zero of the polynomial p(x) = 8x3 - kx2 - x + 2, find the value of k)​

Answer 1

Answer:

Hey!!!..here is ur answer

p (x)=8x^3-kx^2-x+2

put x= -1/2

8 (-1/2)^3-k (-1/2)^2-(-1/2)+2=0

-1-k/4+1/2+2=0

k/4=3/2

k=6