**Find the values of p for which the quadratic equation 4x ^{2} + px + 3 = 0 has equal roots.**

Deepak BoraNewbie

# Quadratic equations : Find the values of p for which the quadratic equation 4x^2 + px + 3 = 0 has equal roots.

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4x^{2}+ px + 3 = 0Equation has equal roots,∴

D = 0,b²-4ac = 0

after comparison ax²+bx+c=0

a= 4, b= p & c= 3

∴ p²-4(4)(3) = 0

p² = 48

p = √48

p = ±4√3