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  4. If one of the roots of a quadratic equation having rational coefficients is √7-4, then the quadratic equation is

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Q. If one of the roots of a quadratic equation having rational coefficients is $\sqrt{7}-4$, then the quadratic equation is

Quadratic Equations

Solution:

If $a+\sqrt{b}$ is one root then $a-\sqrt{b}$ is other root.