71.3=sqrt(9.08295^2+y^2)

Lösung

71.3 = 9.0829 5^{2} + y^{2}

y = \frac{2000476007719}{400000000}, y = - \frac{2000476007719}{400000000}

Dezimale

y = 70.71909 \dots, y = - 70.71909 \dots

Schritte zur Lösung

71.3 = 9.0829 5^{2} + y^{2}

Quadriere beide Seiten:

5083.69 = 82.49998 \dots + y^{2}

5083.69 = 82.49998 \dots + y^{2}

Löse

5083.69 = 82.49998 \dots + y^{2} : y = \frac{2000476007719}{400000000}, y = - \frac{2000476007719}{400000000}

y = \frac{2000476007719}{400000000}, y = - \frac{2000476007719}{400000000}

Überprüfe die Lösungen:

y = \frac{2000476007719}{400000000}

Wahr

, y = - \frac{2000476007719}{400000000}

Wahr

Die Lösungen sind

y = \frac{2000476007719}{400000000}, y = - \frac{2000476007719}{400000000}

x^{2} - 11 + x - 11 = 0

x = \frac{1}{x}

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

so l v e f or x, x - x - 2 = 0

x - 1 - x + 1 = 0