I-solve ang a_n (complex solution)
a_{n}=-\frac{\sqrt{5}\left(-\left(\frac{\sqrt{5}+1}{2}\right)^{n}+\left(\frac{1-\sqrt{5}}{2}\right)^{n}\right)}{5}
I-solve ang a_n
a_{n}=-\frac{\sqrt{5}\left(-\left(\frac{\sqrt{5}+1}{2}\right)^{n}+\left(\frac{1-\sqrt{5}}{2}\right)^{n}\right)}{5}
Denominator(n)\text{bmod}2=1
Ibahagi
Kinopya sa clipboard
Mga Halimbawa
Ekwasyong kwadratiko
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Ekwasyon na linyar
y = 3x + 4
Aritmetika
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Sabay sabay na equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Pagkakaiba iba
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Pagsasama sama
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Mga Limitasyon
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}