Question

Oblicz wartość wyrażenia [tex]\frac{a+b}{a*b} dla a = \frac{2}{3}[/tex] i b = [tex]\frac{1}{2}[/tex]

Answer 1

[tex]\frac{a+b}{a*b}=\frac{\frac{2}{3}+\frac{1}{2}}{\frac{2}{3}*\frac{1}{2}}=\frac{\frac{4}{6}+\frac{3}{6}}{\frac{1}{3}*\frac{1}{1}}=\frac{\frac{7}{6}}{\frac{1}{3}}=\frac{7}{6}*\frac{3}{1}=\frac{7}{2}*\frac{1}{1}=\frac{7}{2}=3\frac{1}{2}[/tex]