SOLUTION: please help me solve this word problem:- the denominator of a fraction is 1 in excess of the square of the numerator. if 2 is added to the numerator and denominator, it equals to

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: please help me solve this word problem:- the denominator of a fraction is 1 in excess of the square of the numerator. if 2 is added to the numerator and denominator, it equals to       Log On


   



Question 936619: please help me solve this word problem:-
the denominator of a fraction is 1 in excess of the square of the numerator. if 2 is added to the numerator and denominator, it equals to 1/4. find the fraction

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
%28n+%2B+2%29%2F%28n%5E2%2B1+%2B+2%29+=+1%2F4
4(n+2) = n^2 + 3
n^2 - 4n - 5 = 0
(n + 1)(n-5) = 0
n is -1,5
.......
checking
1/4 = 1/4
7/28 = 1/4