Werk uit m.b.v. de rekenregels
- \(\dfrac{a^{-1}}{a^{-1}}\)
- \(\dfrac{q^{\frac{-4}{5}}}{q^{\frac{-3}{5}}}\)
- \(\dfrac{y^{1}}{y^{\frac{1}{2}}}\)
- \(\dfrac{x^{\frac{-3}{5}}}{x^{\frac{-3}{2}}}\)
- \(\dfrac{y^{-1}}{y^{\frac{-1}{2}}}\)
- \(\dfrac{a^{\frac{-2}{3}}}{a^{\frac{-1}{3}}}\)
- \(\dfrac{x^{\frac{2}{5}}}{x^{\frac{-1}{4}}}\)
- \(\dfrac{q^{\frac{-1}{2}}}{q^{\frac{-5}{3}}}\)
- \(\dfrac{q^{\frac{3}{4}}}{q^{-2}}\)
- \(\dfrac{q^{\frac{1}{3}}}{q^{\frac{-1}{3}}}\)
- \(\dfrac{x^{\frac{3}{2}}}{x^{\frac{-4}{3}}}\)
- \(\dfrac{x^{\frac{-1}{2}}}{x^{-1}}\)
Werk uit m.b.v. de rekenregels
Verbetersleutel
- \(\dfrac{a^{-1}}{a^{-1}}\\= a^{ -1 - (-1) }= a^{0}\\=1\\---------------\)
- \(\dfrac{q^{\frac{-4}{5}}}{q^{\frac{-3}{5}}}\\= q^{ \frac{-4}{5} - (\frac{-3}{5}) }= q^{\frac{-1}{5}}\\=\frac{1}{\sqrt[5]{ q }}=\frac{1}{\sqrt[5]{ q }}.
\color{purple}{\frac{\sqrt[5]{ q^{4} }}{\sqrt[5]{ q^{4} }}} \\=\frac{\sqrt[5]{ q^{4} }}{q}\\---------------\)
- \(\dfrac{y^{1}}{y^{\frac{1}{2}}}\\= y^{ 1 - \frac{1}{2} }= y^{\frac{1}{2}}\\= \sqrt{ y } \\---------------\)
- \(\dfrac{x^{\frac{-3}{5}}}{x^{\frac{-3}{2}}}\\= x^{ \frac{-3}{5} - (\frac{-3}{2}) }= x^{\frac{9}{10}}\\=\sqrt[10]{ x^{9} }\\---------------\)
- \(\dfrac{y^{-1}}{y^{\frac{-1}{2}}}\\= y^{ -1 - (\frac{-1}{2}) }= y^{\frac{-1}{2}}\\=\frac{1}{ \sqrt{ y } }=\frac{1}{ \sqrt{ y } }.
\color{purple}{\frac{ \sqrt{ y } }{ \sqrt{ y } }} \\=\frac{ \sqrt{ y } }{|y|}\\---------------\)
- \(\dfrac{a^{\frac{-2}{3}}}{a^{\frac{-1}{3}}}\\= a^{ \frac{-2}{3} - (\frac{-1}{3}) }= a^{\frac{-1}{3}}\\=\frac{1}{\sqrt[3]{ a }}=\frac{1}{\sqrt[3]{ a }}.
\color{purple}{\frac{\sqrt[3]{ a^{2} }}{\sqrt[3]{ a^{2} }}} \\=\frac{\sqrt[3]{ a^{2} }}{a}\\---------------\)
- \(\dfrac{x^{\frac{2}{5}}}{x^{\frac{-1}{4}}}\\= x^{ \frac{2}{5} - (\frac{-1}{4}) }= x^{\frac{13}{20}}\\=\sqrt[20]{ x^{13} }\\---------------\)
- \(\dfrac{q^{\frac{-1}{2}}}{q^{\frac{-5}{3}}}\\= q^{ \frac{-1}{2} - (\frac{-5}{3}) }= q^{\frac{7}{6}}\\=\sqrt[6]{ q^{7} }=|q|.\sqrt[6]{ q }\\---------------\)
- \(\dfrac{q^{\frac{3}{4}}}{q^{-2}}\\= q^{ \frac{3}{4} - (-2) }= q^{\frac{11}{4}}\\=\sqrt[4]{ q^{11} }=|q^{2}|.\sqrt[4]{ q^{3} }\\---------------\)
- \(\dfrac{q^{\frac{1}{3}}}{q^{\frac{-1}{3}}}\\= q^{ \frac{1}{3} - (\frac{-1}{3}) }= q^{\frac{2}{3}}\\=\sqrt[3]{ q^{2} }\\---------------\)
- \(\dfrac{x^{\frac{3}{2}}}{x^{\frac{-4}{3}}}\\= x^{ \frac{3}{2} - (\frac{-4}{3}) }= x^{\frac{17}{6}}\\=\sqrt[6]{ x^{17} }=|x^{2}|.\sqrt[6]{ x^{5} }\\---------------\)
- \(\dfrac{x^{\frac{-1}{2}}}{x^{-1}}\\= x^{ \frac{-1}{2} - (-1) }= x^{\frac{1}{2}}\\= \sqrt{ x } \\---------------\)