Werk uit m.b.v. de rekenregels
- \(\dfrac{a^{\frac{-1}{2}}}{a^{\frac{-4}{5}}}\)
- \(\dfrac{y^{\frac{-4}{5}}}{y^{\frac{-1}{3}}}\)
- \(\dfrac{a^{\frac{4}{3}}}{a^{\frac{3}{2}}}\)
- \(\dfrac{y^{\frac{-5}{4}}}{y^{\frac{1}{3}}}\)
- \(\dfrac{a^{\frac{-4}{5}}}{a^{\frac{-5}{3}}}\)
- \(\dfrac{q^{-1}}{q^{1}}\)
- \(\dfrac{y^{\frac{1}{3}}}{y^{-1}}\)
- \(\dfrac{a^{\frac{2}{3}}}{a^{\frac{-1}{2}}}\)
- \(\dfrac{q^{\frac{-5}{6}}}{q^{\frac{1}{2}}}\)
- \(\dfrac{a^{\frac{-5}{3}}}{a^{\frac{-1}{2}}}\)
- \(\dfrac{a^{-1}}{a^{\frac{-3}{2}}}\)
- \(\dfrac{a^{\frac{1}{2}}}{a^{\frac{-2}{3}}}\)
Werk uit m.b.v. de rekenregels
Verbetersleutel
- \(\dfrac{a^{\frac{-1}{2}}}{a^{\frac{-4}{5}}}\\= a^{ \frac{-1}{2} - (\frac{-4}{5}) }= a^{\frac{3}{10}}\\=\sqrt[10]{ a^{3} }\\---------------\)
- \(\dfrac{y^{\frac{-4}{5}}}{y^{\frac{-1}{3}}}\\= y^{ \frac{-4}{5} - (\frac{-1}{3}) }= y^{\frac{-7}{15}}\\=\frac{1}{\sqrt[15]{ y^{7} }}=\frac{1}{\sqrt[15]{ y^{7} }}.
\color{purple}{\frac{\sqrt[15]{ y^{8} }}{\sqrt[15]{ y^{8} }}} \\=\frac{\sqrt[15]{ y^{8} }}{y}\\---------------\)
- \(\dfrac{a^{\frac{4}{3}}}{a^{\frac{3}{2}}}\\= a^{ \frac{4}{3} - \frac{3}{2} }= a^{\frac{-1}{6}}\\=\frac{1}{\sqrt[6]{ a }}=\frac{1}{\sqrt[6]{ a }}.
\color{purple}{\frac{\sqrt[6]{ a^{5} }}{\sqrt[6]{ a^{5} }}} \\=\frac{\sqrt[6]{ a^{5} }}{|a|}\\---------------\)
- \(\dfrac{y^{\frac{-5}{4}}}{y^{\frac{1}{3}}}\\= y^{ \frac{-5}{4} - \frac{1}{3} }= y^{\frac{-19}{12}}\\=\frac{1}{\sqrt[12]{ y^{19} }}\\=\frac{1}{|y|.\sqrt[12]{ y^{7} }}=\frac{1}{|y|.\sqrt[12]{ y^{7} }}
\color{purple}{\frac{\sqrt[12]{ y^{5} }}{\sqrt[12]{ y^{5} }}} \\=\frac{\sqrt[12]{ y^{5} }}{|y^{2}|}\\---------------\)
- \(\dfrac{a^{\frac{-4}{5}}}{a^{\frac{-5}{3}}}\\= a^{ \frac{-4}{5} - (\frac{-5}{3}) }= a^{\frac{13}{15}}\\=\sqrt[15]{ a^{13} }\\---------------\)
- \(\dfrac{q^{-1}}{q^{1}}\\= q^{ -1 - 1 }= q^{-2}\\=\frac{1}{q^{2}}\\---------------\)
- \(\dfrac{y^{\frac{1}{3}}}{y^{-1}}\\= y^{ \frac{1}{3} - (-1) }= y^{\frac{4}{3}}\\=\sqrt[3]{ y^{4} }=y.\sqrt[3]{ y }\\---------------\)
- \(\dfrac{a^{\frac{2}{3}}}{a^{\frac{-1}{2}}}\\= a^{ \frac{2}{3} - (\frac{-1}{2}) }= a^{\frac{7}{6}}\\=\sqrt[6]{ a^{7} }=|a|.\sqrt[6]{ a }\\---------------\)
- \(\dfrac{q^{\frac{-5}{6}}}{q^{\frac{1}{2}}}\\= q^{ \frac{-5}{6} - \frac{1}{2} }= q^{\frac{-4}{3}}\\=\frac{1}{\sqrt[3]{ q^{4} }}\\=\frac{1}{q.\sqrt[3]{ q }}=\frac{1}{q.\sqrt[3]{ q }}
\color{purple}{\frac{\sqrt[3]{ q^{2} }}{\sqrt[3]{ q^{2} }}} \\=\frac{\sqrt[3]{ q^{2} }}{q^{2}}\\---------------\)
- \(\dfrac{a^{\frac{-5}{3}}}{a^{\frac{-1}{2}}}\\= a^{ \frac{-5}{3} - (\frac{-1}{2}) }= a^{\frac{-7}{6}}\\=\frac{1}{\sqrt[6]{ a^{7} }}\\=\frac{1}{|a|.\sqrt[6]{ a }}=\frac{1}{|a|.\sqrt[6]{ a }}
\color{purple}{\frac{\sqrt[6]{ a^{5} }}{\sqrt[6]{ a^{5} }}} \\=\frac{\sqrt[6]{ a^{5} }}{|a^{2}|}\\---------------\)
- \(\dfrac{a^{-1}}{a^{\frac{-3}{2}}}\\= a^{ -1 - (\frac{-3}{2}) }= a^{\frac{1}{2}}\\= \sqrt{ a } \\---------------\)
- \(\dfrac{a^{\frac{1}{2}}}{a^{\frac{-2}{3}}}\\= a^{ \frac{1}{2} - (\frac{-2}{3}) }= a^{\frac{7}{6}}\\=\sqrt[6]{ a^{7} }=|a|.\sqrt[6]{ a }\\---------------\)