Question

Find the values of k for quadratic equation 2x 2 + kx + 3 = 0, so that they have two equal roots.

Answer 1

2x^2+kx+3=0

they have equal roots,so b^2-4ac=0

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

=k^2-24=0

k^2=24

=k=√24

=k=2√6