Question

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Prove 3 + 2√5 is irrational .
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Answer 1

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Prove 3 + 2√5 is irrational .

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Hello!!

Hello!!3 + 2√5 = a/ b

Hello!!3 + 2√5 = a/ b2√5 =a/b -3

Hello!!3 + 2√5 = a/ b2√5 =a/b -3√5 =a-3b/2b

Hello!!3 + 2√5 = a/ b2√5 =a/b -3√5 =a-3b/2b√5 is rational.

Hello!!3 + 2√5 = a/ b2√5 =a/b -3√5 =a-3b/2b√5 is rational.This contradicta the fact that √5 is irrational.

Hello!!3 + 2√5 = a/ b2√5 =a/b -3√5 =a-3b/2b√5 is rational.This contradicta the fact that √5 is irrational.So our supposition is incorrect.

Answer 2

Step-by-step explanation:

Hello!!3 + 2√5 = a/ b2√5 =a/b -3√5 =a-3b/2b√5 is rational.This contradicta the fact that √5 is irrational.So our supposition is incorrect.