Question

If a quadratic equation $2x^2 + kx+3=0$ have two equal roots then $k=$

• A. $±6\sqrt 2$
• B. $±2\sqrt 2$
• C. $±2\sqrt 6$
• D. $±3\sqrt 2$

Answer 1

Answer: (C)

$±2\sqrt 6$

Answer 2

The correct option is (D): $±2\sqrt 6$.