Question

Efectuatii: a) $\frac{a}{b}$ + $\frac{b}{a}$
b) $\frac{6}{xy}$ + $\frac{2}{x}$
Ajutatima va rog dau coroana

Answer 1

$\frac{a}{b} + \frac{b}{a} =$
aducem la acelasi numitor si avem:
$\frac{ a^{2}+ b^{2} }{a*b}$

$\frac{6}{2xy}+ \frac{2}{x} =$
$\frac{6+2y}{xy}$