Enrhifo
\frac{5}{17}-\frac{20}{17}i\approx 0.294117647-1.176470588i
Rhan Real
\frac{5}{17} = 0.29411764705882354
Rhannu
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\frac{-1+i}{-1}-\frac{3}{4-i}
Lluoswch rifiadur ac enwadur \frac{1+i}{i} gyda’r uned dychmygol i.
1-i-\frac{3}{4-i}
Rhannu -1+i â -1 i gael 1-i.
1-i-\frac{3\left(4+i\right)}{\left(4-i\right)\left(4+i\right)}
Lluoswch rifiadur ac enwadur \frac{3}{4-i} gyda chyfiau cymhleth yr enwadur 4+i.
1-i-\frac{12+3i}{17}
Gwnewch y gwaith lluosi yn \frac{3\left(4+i\right)}{\left(4-i\right)\left(4+i\right)}.
1-i+\left(-\frac{12}{17}-\frac{3}{17}i\right)
Rhannu 12+3i â 17 i gael \frac{12}{17}+\frac{3}{17}i.
\frac{5}{17}-\frac{20}{17}i
Adio 1-i a -\frac{12}{17}-\frac{3}{17}i i gael \frac{5}{17}-\frac{20}{17}i.
Re(\frac{-1+i}{-1}-\frac{3}{4-i})
Lluoswch rifiadur ac enwadur \frac{1+i}{i} gyda’r uned dychmygol i.
Re(1-i-\frac{3}{4-i})
Rhannu -1+i â -1 i gael 1-i.
Re(1-i-\frac{3\left(4+i\right)}{\left(4-i\right)\left(4+i\right)})
Lluoswch rifiadur ac enwadur \frac{3}{4-i} gyda chyfiau cymhleth yr enwadur 4+i.
Re(1-i-\frac{12+3i}{17})
Gwnewch y gwaith lluosi yn \frac{3\left(4+i\right)}{\left(4-i\right)\left(4+i\right)}.
Re(1-i+\left(-\frac{12}{17}-\frac{3}{17}i\right))
Rhannu 12+3i â 17 i gael \frac{12}{17}+\frac{3}{17}i.
Re(\frac{5}{17}-\frac{20}{17}i)
Adio 1-i a -\frac{12}{17}-\frac{3}{17}i i gael \frac{5}{17}-\frac{20}{17}i.
\frac{5}{17}
Rhan real \frac{5}{17}-\frac{20}{17}i yw \frac{5}{17}.
Enghreifftiau
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y = 3x + 4
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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}