erweitern x/((x-1)(x-0.7+0.9j)(z-0.7-0.9j))

Lösung

erweitern

\frac{x}{( x - 1 ) ( x - 0.7 + 0.9 j ) ( z - 0.7 - 0.9 j )}

\frac{x}{- 0.9 j x ^{2} + x ^{2} z - 0.7 x ^{2} - 0.81 j ^{2} x + 0.9 j x + 0.9 j x z - 1.7 x z + 1.19 x + 0.81 j ^{2} - 0.9 j z + 0.7 z - 0.49}

Schritte zur Lösung

\frac{x}{( x - 1 ) ( x - 0.7 + 0.9 j ) ( z - 0.7 - 0.9 j )}

Multipliziere aus

(x - 1) (x - 0.7 + 0.9 j) (z - 0.7 - 0.9 j) : - 0.9 j x^{2} + x^{2} z - 0.7 x^{2} - 0.81 j^{2} x + 0.9 j x + 0.9 j x z - 1.7 x z + 1.19 x + 0.81 j^{2} - 0.9 j z + 0.7 z - 0.49

= \frac{x}{- 0.9 j x ^{2} + x ^{2} z - 0.7 x ^{2} - 0.81 j ^{2} x + 0.9 j x + 0.9 j x z - 1.7 x z + 1.19 x + 0.81 j ^{2} - 0.9 j z + 0.7 z - 0.49}

e x p an d x ((x + 1) \cdot (x + 2))

e x p an d \frac{( s + 5 )}{s ( s ^{2} + 2 s + 10 )}

e x p an d (\frac{a}{1 - b cos ( θ )})^{2}

e x p an d f^{''} (x) (2 x + 1)^{5}

e x p an d 3 \frac{x + 2}{x ^{4} ( x ^{2} - 4 )}