Prove that √3+2√5is irrational no

1.	Prove that √3+2√5is irrational no
Answer» We know that√3 is irrationalLet√5 be rational√5=p/qSq. Both side5=p2/q25q2=p2If p divides p then it must divide p2This contadicts tthe fact that√5 is irrational

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