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Prove that root 5 + root …

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Prove that root 5 + root 7 is irrational

Posted by Halak Dudiya 5 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Yogita Ingle 5 years, 5 months ago

Let is a rational number

Where p/q are co-prime and q≠0

Squaring both sides,

Since, is rational is a contradiction.

Therefore, our assumption is wrong.

is an irrational number.

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CBSE > Class 10 > Mathematics