Evalwa
\left(\frac{2p}{5}-\frac{q}{2}\right)^{2}
Espandi
-\frac{2pq}{5}+\frac{4p^{2}}{25}+\frac{q^{2}}{4}
Sehem
Ikkupjat fuq il-klibbord
0.16p^{2}-0.4pq+0.25q^{2}
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(0.4p-0.5q\right)^{2}.
0.16p^{2}-0.4pq+0.25q^{2}
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(0.4p-0.5q\right)^{2}.
Eżempji
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{ x } ^ { 2 } - 4 x - 5 = 0
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699 * 533
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limiti
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