5x²-6x-4=0 மூலங்களின் தன்மை காண்க.
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Step-by-step explanation:
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Step-by-step explanation:
5x² -6x -4 = 0
By comparing with ax² +bx + c = 0, we get
a = 5
b = -6
c = -4
discriminant
= b²-4ac
=( -6)²-4(5)(-4)
= 36 +80
= 116
b²-4ac > 0
∴ Nature of roots is real.
Roots are (6+√116)/10 and (6-√116)/10.
{By using quadratic equation formula,
[-b±√(b²-4ac)]/2a.}
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