Marcelaramirez1516 Marcelaramirez1516

10-09-2017
Mathematics

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Prove by contrapositiob, if x is irrational then square root of x is irrational

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10-09-2017

The contrapositive is If sqrt x is rational then x is rational.
This is true as , for example if sqrt x = 3 then x = 9.

There is no way that a rational number squared would be irrrational.

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