Question

solve that 7 is a rational number​

Answer 1

$\sf\large\red{\underline{\underline{Question?}}}$

$\sf\underline{Solve \: that \: 7 \: is \: a \: rational \: number.</p><p>}$

$\sf\large\pink{\underline{\underline{Solution!!}}}$

$\bold{\large{\underline{\fcolorbox{black}{white}{ Define - Rational No.}}}}$

The rational numbers are numbers which can be expressed as a fraction and also as positive numbers, negative numbers and zero. It can be written as p/q, where q is not equal to zero.

$\bold{\large{\underline{\fcolorbox{black}{white}{Example:}}}}$

1. Number 9 can be written as 9/1 where 9 and 1 both are integers.

2. 0.5 can be written as 1/2, 5/10 or 10/20 and in the form of all termination decimals.

3. Is a rational number, as it can be simplified to 9 and can be expressed as 9/1.

0.7777777 is recurring decimals and is a rational number.

$\bold{\large{\underline{\fcolorbox{black}{white}{To Solve}}}}$

A rational no. cannot be expressed as real no. which only be expressed as ab where a and b are integers.

As 7×1 = 7 and 7 and 1 are integers.

$\bold{\small{\underline{\fcolorbox{black}{yellow}{All \: this \: shows \: that \: 7 \: is \: not \: a \: rational \: number}}}}$

Answer 2

7 is a rational number because it can be expressed as the quotient of two integers :7/1

hope it helps u

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