If the roots of the equation ax²+bx+c=0 are equal then c is *
1 point
(a) -b/2a
(b) b/2a
(c) -b²/4a
(d) b²/4a
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If the roots of the equation ax²+bx+c=0 are equal then the discriminant must be ‘0' .
Now,
★ Discriminant = b² - 4ca
So,
† b² - 4ca = 0
→ 4ca = b²
→ c =
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Answer:
D
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