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gallowayryan19
07.04.2020 •
Mathematics
A positive integer is 1 less than another. If the sum of the reciprocal of the smaller and twice the reciprocal of the larger is frac(7,6), then find the two integers
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Ответ:
The two integers are 2 and 3.
Step-by-step explanation:
Let the larger positive integer be 'x'.
Now given:
A positive integer is 1 less than another.
So Smaller integer will be =![x-1](/tpl/images/0585/8727/0a707.png)
We need to find the two integers.
Solution:
Now given:
If the sum of the reciprocal of the smaller and twice the reciprocal of the larger is![\frac76](/tpl/images/0585/8727/575da.png)
So we can say that;
Now we will make the denominator common using LCM.
Now denominator are common so we will solve the numerator;
Using cross multiplication we get;
Now we will find the roots of the equation we get;
Now we will solve separately to find the value of x we get;
Now we get 2 values 1 in fraction and 1 integer but given the two numbers are positive integer hence we will discard the fraction value we get;
Larger number =![x=3](/tpl/images/0585/8727/1547e.png)
Smaller number =![x-1=3-1=2](/tpl/images/0585/8727/5b77b.png)
Hence the two integers are 2 and 3.
Ответ:
b
Step-by-step explanation: