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do you agree that quadratic equation has at most two solutions? justify your answer and gives example?

 



Sagot :

According to the quadratic formula, the roots of a quadratic equation can be solved by:
x = [-b +- sqrt(b^2 - 4ac)]/2a

This formula can give us at most of 2 roots. Why? 

It can only be either x = [-b + sqrt(b^2 - 4ac)]/2a or x = [-b - sqrt(b^2 - 4ac)]/2a