Question

prove that 3 underoot 5 is irrational

Answer 1

Answer: Let 3√5 is a rational no. where it can expressed in the form of a/b

Now,

∴3√5 = a/b

⇒√5 = a/(b*3)

⇒√5 = a/3b

∵ a/3b is a integer

∴It is a rational no.

But we know,

√5 is not a rational no.

⇒√5 is a irrational no.

∴ our assumption is wrong

3√5 is not a rational.

∴ it is irrational.

Step-by-step explanation: If, the question is of 4 marks than you have to also prove how the √5 is a irrational no.

If you don't know how to prove √5 is a irrational no. then please do ask.

Answer 2

Answer:

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Step-by-step explanation:

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