Question

Find the Value(s) of k if th quadradic equation 3x sqare - k root 3 x +4 =0 has equal roots

Answer 1

an equation has real roots if it's discriminant is equal to zero
$d = \sqrt{ {k}^{2} - 4(4)(3)} = 0 \\ {k}^{2} = 48 \\ k = 4 \sqrt{3}$
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