Which of the given formulae is the correct one to find out the roots of the quadratic equation ax2+bx+c=0?
A
x=−b±√b2−4ac2
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B
x=b±√b2−4ac2
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C
x=−b±√b2−4ac2a
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D
x=b±√b2−4ac2a
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Solution
The correct option is Cx=−b±√b2−4ac2a Roots of the quadratic equation ax2+bx+c=0 can be found out by using the quadratic formula, given by, x=−b±√b2−4ac2a.