erweitern 1/((1+t^2)(1+r^2))

Lösung

erweitern

\frac{1}{( 1 + t ^{2} ) ( 1 + r ^{2} )}

\frac{1}{1 + r ^{2} + t ^{2} + t ^{2} r ^{2}}

Schritte zur Lösung

\frac{1}{( 1 + t ^{2} ) ( 1 + r ^{2} )}

Multipliziere aus

(1 + t^{2}) (1 + r^{2}) : 1 + r^{2} + t^{2} + t^{2} r^{2}

= \frac{1}{1 + r ^{2} + t ^{2} + t ^{2} r ^{2}}

e x p an d 2 (sin^{4} (θ) + cos^{4} (θ)) + 4 sin^{2} (θ) cos^{2} (θ)

e x p an d (a + x) a - x

e x p an d (sin (x) - cos (x)) sin (x)

e x p an d lo g_{10} (4 \frac{x}{y})

e x p an d \frac{( x + 3 ) ( x + 5 )}{x + 2}