Is 3 + root 2 raise to the power 2 rational or irrational pls give ste – InterviewSolution

1.

Is 3 + root 2 raise to the power 2 rational or irrational pls give step by step explanation

Answer»

Step-by-step EXPLANATION:

$(3+\sqrt{2} )^{2}$ = $3^{2} +(2*3*\sqrt{2} )+ (\sqrt{2})^{2} = 9+6\sqrt{2} +2$

=11+ $6\sqrt{2\\}$

hence IRRATIONAL NUMBER

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