erweitern (x+2i)(x-2i)

Lösung

erweitern

(x + 2 i) (x - 2 i)

x^{2} + 4

Schritte zur Lösung

(x + 2 i) (x - 2 i)

Apply Difference of Two Squares

(x + 2 i) (x - 2 i) : x^{2} + 4

= x^{2} + 4

e x p an d (e^{(2 t)} + 5) \cdot sin (3 t)

e x p an d 8 (\frac{3 π}{2} - 1)

e x p an d cos (x) (sec (x) + 3, x)

s im pl i f y (a + 5) (a - 5)

e x p an d - 4 (x + 2) (- \frac{1}{4} = \frac{x}{- 4 ( x + 2 )})