Question

Prove that 3a is an irrational number, if a is an irrational number.

Answer 1

Answer:

the product of rational and irrational is irrational

Step-by-step explanation:

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Answer 2

Answer:

the product of rational and irrational is irrational .

Step-by-step explanation:

Here, a is irrational

and 3 is rational.

So, the product of rational and irrational is irrational.