Fatma7115rans
Answered

a, b sıfırdan farklı reel sayılar ve a+b/3=b
Olduguna göre,
b²-a² /
2(ab+b²)
ifadesinin değeri kaçtır?

Sagot :

Ilhan2006ozrans

(a+b)/3=b ise

İçler dışlar çarpımı yapalım:

a+b=3b

a=2b olur.

b²-a²=b²-(2b)²=b²-4b²=-3b²

2(ab+b²)=2(2b.b+b²)=2(3b²)=6b²

-3b²/6b²=-1/2

#ilhan2006oz

#Eski Opti

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