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Complex Sequences Convergence

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StarStarStarStar

zn=(1+2in)n2z_n = (1 + \frac{2i}{n})^{\frac{n}{2}}

StarStarStarStar

Converges to eie^{i}

StarStarStarStar

zn=(11n)nz_n = (1 - \frac{1}{n})^n

StarStarStarStar

Converges to 1e\frac{1}{e}

StarStarStarStar

zn=(n+i)1/nz_n = (n + i)^{1/n}

StarStarStarStar

Converges to 11

StarStarStarStar

zn=(11n2)nz_n = \left(1 - \frac{1}{n^2}\right)^n

StarStarStarStar

Converges to 11

StarStarStarStar

zn=(1+n)1/nz_n = (1 + n)^{1/n}

StarStarStarStar

Converges to e1/ee^{1/e}

StarStarStarStar

zn=(in!)1/nz_n = (i \cdot n!)^{1/n}

StarStarStarStar

Diverges

StarStarStarStar

zn=(1+12n)2nz_n = \left(1 + \frac{1}{2n}\right)^{2n}

StarStarStarStar

Converges to ee

StarStarStarStar

zn=(1+3n)2nz_n = \left(1 + \frac{3}{n}\right)^{2n}

StarStarStarStar

Converges to e6e^6

StarStarStarStar

zn=(n+i)!nnz_n = \frac{(n + i)!}{n^n}

StarStarStarStar

Diverges

StarStarStarStar

zn=inz_n = i^n

StarStarStarStar

Converges to 1,i,1,i1, i, -1, -i in a cycle

StarStarStarStar

zn=(1ni)nz_n = \left(\frac{1}{n-i}\right)^n

StarStarStarStar

Converges to 00

StarStarStarStar

zn=(n+1n)nz_n = \left(\frac{n+1}{n}\right)^n

StarStarStarStar

Converges to ee

StarStarStarStar

zn=(cos(3n)+isin(3n))3nz_n = (\cos(\frac{3}{n}) + i\sin(\frac{3}{n}))^{3n}

StarStarStarStar

Converges to e3ie^{3i}

StarStarStarStar

zn=ni/nz_n = n^{i/n}

StarStarStarStar

Converges to 11

StarStarStarStar

zn=(2n2n+1)nz_n = \left(\frac{2n}{2n+1}\right)^n

StarStarStarStar

Converges to 12e\frac{1}{\sqrt[e]{2}}

StarStarStarStar

zn=(1i2n)4nz_n = \left(1 - \frac{i}{2n}\right)^{4n}

StarStarStarStar

Converges to e2ie^{-2i}

StarStarStarStar

zn=niz_n = ni

StarStarStarStar

Diverges to \infty in the complex plane

StarStarStarStar

zn=(nn+i)nz_n = \left(\frac{n}{n+i}\right)^n

StarStarStarStar

Converges to 1ei\frac{1}{e^i}

StarStarStarStar

zn=(n1n+in)nz_n = \left(\frac{n-1}{n} + \frac{i}{n}\right)^n

StarStarStarStar

Converges to e1+ie^{-1+i}

StarStarStarStar

zn=(cos(1n)+isin(1n))nz_n = (\cos(\frac{1}{n}) + i\sin(\frac{1}{n}))^n

StarStarStarStar

Converges to 11

StarStarStarStar

zn=(12n+in2)nz_n = \left(1 - \frac{2}{n} + \frac{i}{n^2}\right)^n

StarStarStarStar

Converges to e2e^{-2}

StarStarStarStar

zn=1+(iπ)nn!z_n = 1 + \frac{(i \pi)^n}{n!}

StarStarStarStar

Converges to eiπ+1=0e^{i \pi} + 1 = 0

StarStarStarStar

zn=(1+in)nz_n = (1 + \frac{i}{n})^n

StarStarStarStar

Converges to eie^{i}

StarStarStarStar

zn=(1)nz_n = (-1)^n

StarStarStarStar

Does not converge

StarStarStarStar

zn=(n+in)2nz_n = \left(\frac{n+i}{n}\right)^{2n}

StarStarStarStar

Converges to e2ie^{2i}

StarStarStarStar

zn=(1+πi/n)nz_n = \left(1 + \pi i / n\right)^n

StarStarStarStar

Converges to eπie^{\pi i}

StarStarStarStar

zn=(11+i/n)nz_n = \left(\frac{1}{1 + i/n}\right)^n

StarStarStarStar

Converges to eie^{-i}

StarStarStarStar

zn=(n2+i)1/nz_n = \left(n^2 + i\right)^{1/n}

StarStarStarStar

Converges to 11

StarStarStarStar

zn=inn2z_n = \frac{i^n}{n^2}

StarStarStarStar

Converges to 00

StarStarStarStar

zn=n!nnz_n = \frac{n!}{n^n}

StarStarStarStar

Converges to 00

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