4/(1+x^2)=1

Lösung

\frac{4}{1 + x ^{2}} = 1

x = 3, x = - 3

Dezimale

x = 1.73205 \dots, x = - 1.73205 \dots

Schritte zur Lösung

\frac{4}{1 + x ^{2}} = 1

Multipliziere beide Seiten mit

1 + x^{2}

4 = 1 + x^{2}

Löse

4 = 1 + x^{2} : x = 3, x = - 3

x = 3, x = - 3

2 x^{- 3} = \frac{2}{x ^{3}}

\frac{4.5}{3} = \frac{9}{x}

\frac{1}{x} + \frac{3}{x ^{2}} = - 1

- \frac{1}{x ^{2}} + 1 = 0

2 x + \frac{1}{x} = \frac{18}{10}