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Enrhifo (complex solution)
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Problemau tebyg o chwiliad gwe

Rhannu

\sqrt{-315}
Tynnu 324 o 9 i gael -315.
3i\sqrt{35}
Ffactora -315=\left(3i\right)^{2}\times 35. Ailysgrifennu ail isradd y lluoswm \sqrt{\left(3i\right)^{2}\times 35} fel lluoswm ail israddau \sqrt{\left(3i\right)^{2}}\sqrt{35}. Cymryd isradd \left(3i\right)^{2}.