Question

prove that 3+2√5 is irrational

Answer 1

Here Is Your Ans ⤵

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Let , 3+2√5 is an rational number

3+2√5 = A / B

2√5 = A / B - 3

√5 = A / 2B - 3

Integer = Fraction

So , Our assumptions is Wrong 3+2√5 Is an irrational number

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Answer 2

Hello !

The answer is vey simple!

Go through the attachment!

SInce all are rational and root5 are irrational.

Therefore the given term is irrational!

Hope this would help you!

Thanks.