Question

find two rational number number1and2. using mean method ​

Answer 1

Answer:

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Answer 2

Answer:

4/3 , 5/3

Working rule :

★ Let the smaller number be x and greater number be y .

★ Then find the common difference d using the formula ; d = (y - x)/(n + 1) , where n is the number of Rational numbers to be found between x and y .

★ The the required rational numbers will be given as ;

1st rational no. = x + d

2nd rational no. = x + 2d

3rd rational no. = x + 3d

:

:

nth rational no. = x + nd

Solution:

Here,

We need to find two rational numbers between 1 and 2 .

Thus,

x = 1 , y = 2 , n = 2

Now,

=> d = (y - x)/(n + 1)

=> d = (2 - 1) / (2 + 1)

=> d = 1/3

Thus,

The required rational numbers will be ;

• 1st rational number = x + d

= 1+ 1/3

= (3 + 1)/3

= 4/3

• 2nd rational number = x + 2d

= 1/4 + 2/3

= (3 + 2)/3

= 5/3

Hence,

The required rational numbers are :

4/3 , 5/3