Question

please do fast it's urgent please it's my holidays homework ​

Answer 1

Hyy Dude ♡

3 + 2√5 = a/ b

2√5 =a/b -3

√5 =a-3b/2b

√5 is rational.

This contradicta the fact that √5 is irrational.

This contradicta the fact that √5 is irrational.So our supposition is incorrect.

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Hope it's helps you

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Answer 2

Step-by-step explanation:

3+2√5=a/b

2√5=a/b-3

2√5=a-3b/b

√5=a-3b/2b

a-3b/2b is a rational

but √5 is irrational

hence 3+2√5 is irrational

hope it may help u

thank u