Examine whether the following number is rational or irrational.
$7 \times 343$ .

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Examine whether the following number is rational or irrational.

7 \times 343

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Text solutionVerified

7 \times 343 = 7 \times 7^{3}

= 7^{\frac{1}{2}} \times 7^{3 \times \frac{1}{2}}

= 7^{2} = 49

It is a rational number.

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Question Text	Examine whether the following number is rational or irrational. $7 \times 343$ .
Answer Type	Text solution:1
Upvotes	150