Question

The value of k for which the quadratic equation 3x2

-kx+3=0 has equal roots , is (are)-

A. 6

B. -6

C. + 6

D. 9​

Answer 1

Answer:

6

Step-by-step explanation:

The roots are equal that means the discriminant is equal to 0

So,it can be written like-

b^2-4ac=0

(-k)^2-4(3)(3)=0

k^2 -4(9)=0

k^2-36=0

k^2=36

k=6

Hope it helped