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denis-greek [22]
2 years ago
5

Square root 16/49 rational or irrational ??????

Mathematics
1 answer:
leva [86]2 years ago
5 0

\sqrt{\cfrac{16}{49}}\implies \cfrac{\sqrt{16}}{\sqrt{49}}\implies \cfrac{\sqrt{4^2}}{\sqrt{7^2}}\implies \cfrac{4}{7}

hmmm 4/7 looks like a "ration" or fraction that is, so, if it moves like a ration and dances like a ration and runs like a ration, it ain't no duck, it must be a rational then.

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