erweitern (t+cos(t))^2

Lösung

erweitern

(t + cos (t))^{2}

t^{2} + 2 t cos (t) + cos^{2} (t)

Schritte zur Lösung

(t + cos (t))^{2}

Wende Formel für perfekte quadratische Gleichungen an:

(a + b)^{2} = a^{2} + 2 ab + b^{2}

(t + cos (t))^{2} = t^{2} + 2 t cos (t) + cos^{2} (t)

= t^{2} + 2 t cos (t) + cos^{2} (t)

e x p an d \frac{4 ( 3 - 3 )}{3 π}

e x p an d \frac{4 L ^{3} x}{( x ^{2} + L ^{2} ) ^{2}}

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

e x p an d \frac{\frac{d}{d x} ( ( x ^{2} - 4 x + 1 ) 3 )}{2}

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