Question

find the value of k. in quadration equation 9x²-kx+16=0 if roots are equal​

Answer 1

Step-by-step explanation:

k2-4*9*16=0

k2=576

k=24

Answer 2

Answer:

D= 0

b²-4ac=0

k²-4×9×16=0

k²=576

k=√576

k=24