erweitern (125(-sqrt(3)+2))/(98)

Lösung

erweitern

\frac{125 ( - 3 + 2 )}{98}

- \frac{125 3}{98} + \frac{125}{49}

Dezimale

0.34177 \dots

Schritte zur Lösung

\frac{125 ( - 3 + 2 )}{98}

Multipliziere aus

125 (- 3 + 2) : - 1253 + 250

= \frac{- 125 3 + 250}{98}

Wende Bruchregel an:

\frac{a \pm b}{c} = \frac{a}{c} \pm \frac{b}{c}

\frac{- 125 3 + 250}{98} = - \frac{125 3}{98} + \frac{250}{98}

= - \frac{125 3}{98} + \frac{250}{98}

Streiche

\frac{250}{98} : \frac{125}{49}

= - \frac{125 3}{98} + \frac{125}{49}

e x p an d (\frac{( x + 1 )}{x})^{2}

e x p an d (x z^{^{'}} + z) (2 z + 1)

e x p an d P (1, - 3, 2) Q (2, 1, - 1)

e x p an d \frac{d}{d x} ((x + 1) e^{- x}) + x

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