Question

if x^2=18,then is x a rational or irrational no. please tell me fast​

Answer 1

Hey dude

here is your answer

if x^2= 18

=>x = 3√2

therefore it is a irrational no.

HOPE THIS ANSWER

HELPS YOU

Answer 2

If x² = 18, then x is an irrational number.

Given,

x² = 18

To Find,

x is a rational or irrational number.

Solution,

For x² = 18

then, x = √18

⇒ x = ± 3√2

The above value of x consists of √2 which is an irrational number so, x is also an irrational number.

Therefore, if x² = 18 then x is an irrational number.

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