Math, asked by PUNNAShivasai, 1 year ago

Prove that √2-3√5 is an irrational number​

Answers

Answered by Anonymous
9

Answer:

Assume √2-3√5 be a rational no

therefore √2-3√5=a/b

hence √5=a-√2b/3b

therefore a-√2b/3b is a rational no

therefore √5 is a rational no

but we know that √5 is a irrational no

therefore our assumption was wrong that √2-3√5 is a rational no

therefore √2-3√5 is a irrational no.

✔️Hope it will help you.✔️

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