Question

if roots of x^2+kx+3=0 are equal then value of k​

Answer 1

Step-by-step explanation:

${k}^{2} - 4(1)(3) = 0$

${k}^{2} - 12 = 0$

${k}^{2} = 12$

Taking square root on both sides

$k = + - \sqrt{12}$