Question

if if one zero of the quadratic polynomial k - 1 X square + kx + 1 is minus 4 then find the value of k​

Answer 1

Answer:

If one zero of the quadratic polynomial (k-1)x2+kx+1 is -4 then the value of k is. Solution : x =- 4 satisfies (k-1)x2+kx+1=0. ∴16(k-1)-4k+1=0⇒12k=15⇒k=54.