Classify the following numbers as rational or irrational- -i- 2 -5 -ii- -3 - -23- - -23 -iii- 2-7-7-7 -iv- 1-2 -v- 2 - Maths Q-A

The value of π is 3.1415…On substituting the value of π in equation 2π, we get,2π = 2 × 3.1415… = 6.2831…Since the number, 6.2831…, is non terminating non re ...

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Standard VI

Mathematics

Introduction: Rational Numbers

Classify the ...

Question

Classify the following numbers as rational or irrational:
$2 π$

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Solution

The value of $π$ is $3.1415 \dots$
On substituting the value of $π$ in equation $2 π$ , we get,
$2 π = 2 \times 3.1415 \dots = 6.2831 \dots$
Since the number, $6.2831 \dots$ , is non-terminating non-recurring,
Therefore, $2 π$ , is an irrational number.

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Classify the following numbers as rational or irrational:2π

The value of π is 3.1415…On substituting the value of π in equation 2π, we get,2π=2×3.1415…=6.2831…Since the number, 6.2831…, is non-terminating non-recurring, Therefore, 2π, is an irrational number.

Classify the following numbers as rational or irrational:
$2 π$

The value of $π$ is $3.1415 \dots$
On substituting the value of $π$ in equation $2 π$ , we get,
$2 π = 2 \times 3.1415 \dots = 6.2831 \dots$
Since the number, $6.2831 \dots$ , is non-terminating non-recurring,
Therefore, $2 π$ , is an irrational number.