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Beliebt Algebra >

z^2+z^2=9^2

Lösung

z^{2} + z^{2} = 9^{2}

Lösung

z = \frac{9}{2}, z = - \frac{9}{2}

+1

Dezimale

z = 6.36396 \dots, z = - 6.36396 \dots

Schritte zur Lösung

z^{2} + z^{2} = 9^{2}

Addiere gleiche Elemente:

z^{2} + z^{2} = 2 z^{2}

2 z^{2} = 9^{2}

9^{2} = 81

2 z^{2} = 81

Teile beide Seiten durch

2

z^{2} = \frac{81}{2}

Für

x^{2} = f (a)

sind die Lösungen

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

z = \frac{81}{2}, z = - \frac{81}{2}

\frac{81}{2} = \frac{9}{2}

- \frac{81}{2} = - \frac{9}{2}

z = \frac{9}{2}, z = - \frac{9}{2}

Graph

Beliebte Beispiele

6 x = 16 - x^{2}

0 = 5 x^{2} + 29 x - 6

6 x^{2} - 49 = 0

x^{2} = - 175

x^2-180x+20000=0

x^{2} - 180 x + 20000 = 0