Question

The equation 2xᒾ +Kx +3 = 0 has 2 equal roots, then the value of K is ​

Answer 1

2x² + kx + 3 = 0 (Eq. 1)

If equation 1 has equal roots then, Discriminant (1) = √b²-4ac = 0

b² = 4ac

k² = 4×2×3

k² = 24

k² = √24 = ±2√6

k = ±2√6