Rhan Real
\frac{3}{2} = 1\frac{1}{2} = 1.5
Enrhifo
\frac{3}{2}-\frac{5}{2}i=1.5-2.5i
Rhannu
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Re(\frac{3}{2}-\frac{5}{2}i)
Rhannu 3-5i â 2 i gael \frac{3}{2}-\frac{5}{2}i.
\frac{3}{2}
Rhan real \frac{3}{2}-\frac{5}{2}i yw \frac{3}{2}.
\frac{3}{2}-\frac{5}{2}i
Rhannu 3-5i â 2 i gael \frac{3}{2}-\frac{5}{2}i.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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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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\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}