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Beliebt Rechnen >

sum from n=1 to infinity of (cos(28))^n

Lösung

n = 1 \sum \infty (cos (28))^{n}

Lösung

konvergiert

Schritte zur Lösung

n = 1 \sum \infty (cos (28))^{n}

n = k \sum \infty (a_{n}) = n = 0 \sum \infty (a_{n}) - a_{0} - a_{1} - \dots a_{k - 1}

= n = 0 \sum \infty (cos (28))^{n} - (cos (28))^{0}

n = 0 \sum \infty (cos (28))^{n} =

konvergiert

= konvergiert - (cos (28))^{0}

= konvergiert

Beliebte Beispiele

inverselaplace ((s+3))/(((s+3)^2+25))

in v erse l a pl a ce \frac{( s + 3 )}{( ( s + 3 ) ^{2} + 25 )}

integral of (3x^5-7x^3)/(x^2)

\int \frac{3 x ^{5} - 7 x ^{3}}{x ^{2}} d x

integral of (x+1)cos(x^2+2x+1)

\int (x + 1) cos (x^{2} + 2 x + 1) d x

derivative of 6x^2-18x+12

\frac{d}{d x} (6 x^{2} - 18 x + 12)

fläche x^2,-4,0

a re a x^{2}, - 4, 0