Question

discriminant of 3x^2+5x-1=0​

Answer 1

Answer:

$3 {x}^{2} + 5x - 1 = 0 \\compare \: with \: a {x}^{2} + bx + c \\ a = 3....b = 5....c = - 1 \\ we \: know \: that \\ d = {b}^{2} - 4ac \\ = ( {5})^{2} - 4 \times 3 \times ( - 1) \\ = 25 + 12 \\ = 37$

Step-by-step explanation:

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