Question

9x^2 + kx + 1 has equal roots. Then find value of K.

Answer 1

HERE IS THE ANSWER MATE

Answer 2

Answer:

Step-by-step explanation:

Using formula

B^2-4ac=0

K^2-4*9*1=0

K^2-36=0

K^2=36

K=+_√36

K=+-6 is ANS