A) \[\frac{b}{2a}\]
B) \[-\frac{b}{2a}\]
C) \[\frac{{{b}^{2}}}{4a}\]
D) \[-\frac{{{b}^{2}}}{4a}\]
Correct Answer: C
Solution :
If roots me equal, then \[{{b}^{2}}=4ac\] \[c=\frac{{{b}^{2}}}{4a}\]You need to login to perform this action.
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