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