Question

for what value of k , the equation 9x²+6kx+4=0 has equal roots ?​

Answer 1

$2√6$

Hope so that it was useful

Answer 2

Step-by-step explanation:

9x²+6kx+4=0

comparing with ax²+bx+c=0

we get a= 9 b= 6k c=4

b²-4ac=0

(6k)² -4× 9×4=0

36k²- 144=0

36k²= 144

k²= 144

36

k= 12

6

k = 2

Hope it's help you