1.

For which of the following equations are x = 5 and x = –5 both solutions?, (a).x2+ 25 (b).x2- 10 (c).x2- 25 (d).x2+ 10

Answer» Here x = 5, and x = -5 are both solutions of the equation (c) x2-25

We will use the concept of a quadratic equation to find the required equation.



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