If x = 3 is one root of the quadratic equation x2 – 2kx – 6 = 0, then value of k is :
A. 1
B. \(\frac{1}{2}\)
C. \(\frac{1}{3}\)
D. 3
Answer:C
If x = 3 is one root of the quadratic equation x2 – 2kx – 6 = 0, then value of k is :
A. 1 B. \(\frac{1}{2}\) C. \(\frac{1}{3}\) D. 3