Question

prove that 2-3root 5 is irrational​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

Letx=2-3√5 be a rational number.

3√5=2-x

√5 = 2 -x/3

Since x is rational, 2-x is rational and hence 2-x/3 is also rational number

→ √5 is a rational numbers, which is a contradiction.

Hence 2-3√5 must be an irrational number.

Step-by-step explanation:

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