erweitern r(1.16-0.58r+0.298r^2=0)

Lösung

erweitern

r (1.16 - 0.58 r + 0.298 r^{2} = 0)

0.298 r^{3} - 0.58 r^{2} + 1.16 r = 0

Schritte zur Lösung

r (1.16 - 0.58 r + 0.298 r^{2} = 0)

= r (1.16 - 0.58 r + 0 \cdot 0.298 = r^{2})

Setze Klammern

r \cdot 1.16 + r (- 0.58 r) + r \cdot 0.298 r^{2} = 0

Wende Minus-Plus Regeln an

+ (- a) = - a

1.16 r - 0.58 rr + 0.298 r^{2} r = 0

Multipliziere aus

1.16 r - 0.58 rr + 0.298 r^{2} r : 0.298 r^{3} - 0.58 r^{2} + 1.16 r

0.298 r^{3} - 0.58 r^{2} + 1.16 r = 0

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

e x p an d \frac{( ( s + π ) e ^{- s} )}{s ^{2} + π ^{2}}

e x p an d (t^{\frac{1}{2}} x + t^{\frac{1}{3}} y)^{3}

e x p an d \frac{( 1 - \frac{1}{x ^{3} + 2} )}{( x + \frac{1}{x - 1} )}

s im pl i f y (x - 1 + i 2)^{2} \cdot (x + 1 + i 2)^{2}