Question

examine rational or irrational (with reoson) (2+v2)(2-v2)​

Answer 1

Answer:

Solve the given expressions

(1)

23

=4.795831523

The decimal expansion is non terminating non recurring.

∴

23

is a irrational number.

(2)

225

=15

∴

225

is a rational number.

(3) 0.3796 is the decimal expansion is terminating.

So 0.3796 is a rational number.

(4) 7.478478=7.

478

is the decimal expansion is non termination and recurring.

7.478478 is a rational number.

(5) 1.101001000100001.. is the decimal expansion is non termination and non recurring. 71.101001000100001.is a irrational number.

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