What are the roots of the quadratic equation ax2+bx+c=0?
A
−b±√b2−4ac2
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B
−b±√b2−4ac4a
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C
−b±√b2−4ac4a
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D
−b±√b2−4ac2a
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Solution
The correct option is D−b±√b2−4ac2a The roots of the quadratic equation ax2+bx+c=0 is given by x=−b±√b2−4ac2a. Thus, −b+√b2−4ac2a and −b−√b2−4ac2a are the roots of the equation.