Answers

2016-03-05T16:17:51+05:30
Let the daughters age be (2 yrs ago) = x
let the mothers age be (2 yrs ago) =  3x^{2} 
present age  of daughter = x+2
present age of mothers =  3x^{2}+2 
After 3 yrs;
( 3x^{2}+2 +3) = 4(x+2+3)
 3x^{2}+5 = 4x+20
 3x^{2} - 4x-15 = 0
(x-3)(3x+5) = 0
x =3 AND other is rejected
y-2 = x 
y-2 = 3 
y = 5
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