-z^2=4

Lösung

- z^{2} = 4

z = 2 i, z = - 2 i

Schritte zur Lösung

- z^{2} = 4

Teile beide Seiten durch

- 1

z^{2} = - 4

Für

x^{2} = f (a)

sind die Lösungen

x = f (a), - f (a)

z = - 4, z = - - 4

- 4 = 2 i

- - 4 = - 2 i

z = 2 i, z = - 2 i

5 x^{2} + 2 = 2 x

so l v e f or x, E = \frac{1}{2} k x^{2}

so l v e f or x, t (x) = - x^{2} + 4 x - 5

x^{2} + 1 5^{2} = 2 5^{2}

2 + 4 a^{2} = 198