Jawabanmu

2014-02-11T23:20:12+07:00
1/a -1/b - 1/(a+b) = 0
1/a -1/b = 1/(a+b)
b/ab-a/ab=1/(a+b)
(b-a)/ab=1/(a+b)

ab=(b-a)(a+b)
ab=ab+b²-a²-ab
ab=b²+a²

jadi
b²=ab-a²
b =√(ab-a²)..........................(b)
a²=ab-b²
a=√(ab-b²).............................(a)

nah selanjutnya tinggal substitusikan sendiri :D