Prove that (2√3+ √5) is an irrational number. Also check whether(2

1.	Prove that (2√3+ √5) is an irrational number. Also check whether(2√3+√5)(2+√3 – √5) is rational or irrational.
Answer» ANSWER: I don't KNOW the answer .SORRY

Prove that (2√3+ √5) is an irrational number. Also check whether(2√3+√5)(2+√3 – √5) is rational or irrational.

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ANSWER:

I don't KNOW the answer .SORRY

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Prove that (2√3+ √5) is an irrational number. Also check whether(2√3+√5)(2+√3 – √5) is rational or irrational.​

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Prove that (2√3+ √5) is an irrational number. Also check whether(2√3+√5)(2+√3 – √5) is rational or irrational.