Question

О a
Prove that 4/2 is
irrational number​

Answer 1

Answer:

the question is wrong because the four by 2 is a rational number as it is in the form of p by q

Answer 2

Answer:

Assume that, 4√2 is a rational number.

Then, there exists coprime positive integers p & q such that,

4√2 = p/q

√2 = p/4q (∵ p & q are integers)

=> p/4q is rational

=> √2 is rational

This deny the fact that √2 is irrational.

So our assumption is incorrect.

Hence 4√2 is irrational number.

Step-by-step explanation:

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