Werk uit m.b.v. de rekenregels
- \(\dfrac{a^{\frac{-1}{2}}}{a^{\frac{5}{3}}}\)
- \(\dfrac{q^{\frac{1}{4}}}{q^{\frac{-4}{5}}}\)
- \(\dfrac{x^{1}}{x^{\frac{1}{2}}}\)
- \(\dfrac{a^{\frac{-1}{5}}}{a^{\frac{-2}{3}}}\)
- \(\dfrac{y^{\frac{-5}{6}}}{y^{\frac{1}{4}}}\)
- \(\dfrac{x^{-1}}{x^{1}}\)
- \(\dfrac{a^{\frac{-4}{5}}}{a^{\frac{1}{3}}}\)
- \(\dfrac{a^{\frac{3}{5}}}{a^{\frac{3}{2}}}\)
- \(\dfrac{x^{\frac{-2}{3}}}{x^{\frac{5}{4}}}\)
- \(\dfrac{x^{\frac{3}{5}}}{x^{\frac{-5}{6}}}\)
- \(\dfrac{q^{-1}}{q^{\frac{-5}{4}}}\)
- \(\dfrac{x^{\frac{3}{2}}}{x^{\frac{2}{5}}}\)
Werk uit m.b.v. de rekenregels
Verbetersleutel
- \(\dfrac{a^{\frac{-1}{2}}}{a^{\frac{5}{3}}}\\= a^{ \frac{-1}{2} - \frac{5}{3} }= a^{\frac{-13}{6}}\\=\frac{1}{\sqrt[6]{ a^{13} }}\\=\frac{1}{|a^{2}|.\sqrt[6]{ a }}=\frac{1}{|a^{2}|.\sqrt[6]{ a }}
\color{purple}{\frac{\sqrt[6]{ a^{5} }}{\sqrt[6]{ a^{5} }}} \\=\frac{\sqrt[6]{ a^{5} }}{|a^{3}|}\\---------------\)
- \(\dfrac{q^{\frac{1}{4}}}{q^{\frac{-4}{5}}}\\= q^{ \frac{1}{4} - (\frac{-4}{5}) }= q^{\frac{21}{20}}\\=\sqrt[20]{ q^{21} }=|q|.\sqrt[20]{ q }\\---------------\)
- \(\dfrac{x^{1}}{x^{\frac{1}{2}}}\\= x^{ 1 - \frac{1}{2} }= x^{\frac{1}{2}}\\= \sqrt{ x } \\---------------\)
- \(\dfrac{a^{\frac{-1}{5}}}{a^{\frac{-2}{3}}}\\= a^{ \frac{-1}{5} - (\frac{-2}{3}) }= a^{\frac{7}{15}}\\=\sqrt[15]{ a^{7} }\\---------------\)
- \(\dfrac{y^{\frac{-5}{6}}}{y^{\frac{1}{4}}}\\= y^{ \frac{-5}{6} - \frac{1}{4} }= y^{\frac{-13}{12}}\\=\frac{1}{\sqrt[12]{ y^{13} }}\\=\frac{1}{|y|.\sqrt[12]{ y }}=\frac{1}{|y|.\sqrt[12]{ y }}
\color{purple}{\frac{\sqrt[12]{ y^{11} }}{\sqrt[12]{ y^{11} }}} \\=\frac{\sqrt[12]{ y^{11} }}{|y^{2}|}\\---------------\)
- \(\dfrac{x^{-1}}{x^{1}}\\= x^{ -1 - 1 }= x^{-2}\\=\frac{1}{x^{2}}\\---------------\)
- \(\dfrac{a^{\frac{-4}{5}}}{a^{\frac{1}{3}}}\\= a^{ \frac{-4}{5} - \frac{1}{3} }= a^{\frac{-17}{15}}\\=\frac{1}{\sqrt[15]{ a^{17} }}\\=\frac{1}{a.\sqrt[15]{ a^{2} }}=\frac{1}{a.\sqrt[15]{ a^{2} }}
\color{purple}{\frac{\sqrt[15]{ a^{13} }}{\sqrt[15]{ a^{13} }}} \\=\frac{\sqrt[15]{ a^{13} }}{a^{2}}\\---------------\)
- \(\dfrac{a^{\frac{3}{5}}}{a^{\frac{3}{2}}}\\= a^{ \frac{3}{5} - \frac{3}{2} }= a^{\frac{-9}{10}}\\=\frac{1}{\sqrt[10]{ a^{9} }}=\frac{1}{\sqrt[10]{ a^{9} }}.
\color{purple}{\frac{\sqrt[10]{ a }}{\sqrt[10]{ a }}} \\=\frac{\sqrt[10]{ a }}{|a|}\\---------------\)
- \(\dfrac{x^{\frac{-2}{3}}}{x^{\frac{5}{4}}}\\= x^{ \frac{-2}{3} - \frac{5}{4} }= x^{\frac{-23}{12}}\\=\frac{1}{\sqrt[12]{ x^{23} }}\\=\frac{1}{|x|.\sqrt[12]{ x^{11} }}=\frac{1}{|x|.\sqrt[12]{ x^{11} }}
\color{purple}{\frac{\sqrt[12]{ x }}{\sqrt[12]{ x }}} \\=\frac{\sqrt[12]{ x }}{|x^{2}|}\\---------------\)
- \(\dfrac{x^{\frac{3}{5}}}{x^{\frac{-5}{6}}}\\= x^{ \frac{3}{5} - (\frac{-5}{6}) }= x^{\frac{43}{30}}\\=\sqrt[30]{ x^{43} }=|x|.\sqrt[30]{ x^{13} }\\---------------\)
- \(\dfrac{q^{-1}}{q^{\frac{-5}{4}}}\\= q^{ -1 - (\frac{-5}{4}) }= q^{\frac{1}{4}}\\=\sqrt[4]{ q }\\---------------\)
- \(\dfrac{x^{\frac{3}{2}}}{x^{\frac{2}{5}}}\\= x^{ \frac{3}{2} - \frac{2}{5} }= x^{\frac{11}{10}}\\=\sqrt[10]{ x^{11} }=|x|.\sqrt[10]{ x }\\---------------\)