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\frac{\left(\sqrt{15}-4\right)\sqrt{15}}{4\left(\sqrt{15}\right)^{2}}
Whakangāwaritia te tauraro o \frac{\sqrt{15}-4}{4\sqrt{15}} mā te whakarea i te taurunga me te tauraro ki te \sqrt{15}.
\frac{\left(\sqrt{15}-4\right)\sqrt{15}}{4\times 15}
Ko te pūrua o \sqrt{15} ko 15.
\frac{\left(\sqrt{15}-4\right)\sqrt{15}}{60}
Whakareatia te 4 ki te 15, ka 60.
\frac{\left(\sqrt{15}\right)^{2}-4\sqrt{15}}{60}
Whakamahia te āhuatanga tohatoha hei whakarea te \sqrt{15}-4 ki te \sqrt{15}.
\frac{15-4\sqrt{15}}{60}
Ko te pūrua o \sqrt{15} ko 15.