\sqrt { 2 } - 2 ( \text { i } \sqrt { 5 } - \sqrt { 7 } )
Enrhifo
-2\sqrt{5}i+\sqrt{2}+2\sqrt{7}\approx 6.705716185-4.472135955i
Rhan Real
\sqrt{2} + 2 \sqrt{7} = 6.705716185
Rhannu
Copïo i clipfwrdd
\sqrt{2}-2\left(i\sqrt{5}-\sqrt{7}\right)
Lluosi -1 a 2 i gael -2.
\sqrt{2}-2i\sqrt{5}+2\sqrt{7}
Defnyddio’r briodwedd ddosbarthu i luosi -2 â i\sqrt{5}-\sqrt{7}.
Enghreifftiau
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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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