The difference of two numbers is 4 and the difference of their reciprocal is 4/21 find the number
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Answered by
105
Here, As per the question,
Let one number be x.
Another number = x+4.
Now,
1/x -1(x+4) = 4/21
x+4-x = 4{x(x+4)}/21
4x^2+16x -84= 0
x^2+4x -21= 0
x^2 +7x -3x -21= 0
(x-3)(x+7)=0
So, x =3
Thus, Numbers are 3 and 7.
Hope you will find it helpful....
Let one number be x.
Another number = x+4.
Now,
1/x -1(x+4) = 4/21
x+4-x = 4{x(x+4)}/21
4x^2+16x -84= 0
x^2+4x -21= 0
x^2 +7x -3x -21= 0
(x-3)(x+7)=0
So, x =3
Thus, Numbers are 3 and 7.
Hope you will find it helpful....
dharmendraKumaryadav:
If A/3=B/4=C/5 then A:B:C solve krke send kigiye ga bhai
Answered by
71
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