Question

If ax²+bx+c=0 has equal roots , find value of c

Answer 1

SOLUTION :  

Option (d) is correct :  b²/4a

Given : ax² + bx + c = 0

This given equation is the standard form of quadratic equation. Therefore, D(discriminant) = b² – 4ac

D = 0 (equal roots given)

b² – 4ac = 0

b² = 4ac  

c = b²/4a  

Hence, the value of c is b²/4a.

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Answer 2

Step-by-step explanation:

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