A) $\frac{1}{a}$ + $\frac{1}{b}$-1
B)$\frac{1}{a}$-$\frac{1}{b}$-1
C)$\frac{1}{a}$-$\frac{1}{b}$
D)$\frac{1}{a}$+$\frac{1}{b}$
E)$\frac{1}{a}$+$\frac{1}{b}$+1
paydaki ifade $(a-b)(a+b)-\text{payda}$paydadaki ifade $ab(a-b)$
Teşekkür ederim