Power Series for Complex Variables

Tags: #math #complex variables

Equation

$$e^{z}=1+z+\frac{z^{2}}{2!}+\frac{z^{3}}{3!}+...+\frac{z^{n}}{n!}+...\\ \sin z=z-\frac{z^{3}}{3!}+\frac{z^{5}}{5!}-...\\ \cos z=1-\frac{z^{2}}{2!}+\frac{z^{4}}{4!}-...\\ \ln (1+z)=1-\frac{z^{2}}{2!}+\frac{z^{3}}{3!}-...\\ (1+z)^{n}=1+nz+\frac{n(n-1)}{2!}z^{2}+\frac{n(n-1)(n-2)}{3!}z^{3}+...$$

Latex Code

                                 e^{z}=1+z+\frac{z^{2}}{2!}+\frac{z^{3}}{3!}+...+\frac{z^{n}}{n!}+...\\
\sin z=z-\frac{z^{3}}{3!}+\frac{z^{5}}{5!}-...\\
\cos z=1-\frac{z^{2}}{2!}+\frac{z^{4}}{4!}-...\\
\ln (1+z)=1-\frac{z^{2}}{2!}+\frac{z^{3}}{3!}-...\\
(1+z)^{n}=1+nz+\frac{n(n-1)}{2!}z^{2}+\frac{n(n-1)(n-2)}{3!}z^{3}+...
                            

Have Fun

Let's Vote for the Most Difficult Equation!

Introduction

Equation






Discussion

Comment to Make Wishes Come True

Leave your wishes (e.g. Passing Exams) in the comments and earn as many upvotes as possible to make your wishes come true


  • Eric Stewart
    My focus is on getting a pass for this test.
    2023-02-01 00:00

    Reply


    Jean Carter reply to Eric Stewart
    You can make it...
    2023-02-10 00:00:00.0

    Reply


  • Joshua Moore
    I would be so happy to pass this test.
    2024-03-21 00:00

    Reply


    William Garcia reply to Joshua Moore
    Nice~
    2024-04-20 00:00:00.0

    Reply


  • Irene Cox
    It's do or die with this test.
    2023-11-07 00:00

    Reply


    Shawn Bell reply to Irene Cox
    Gooood Luck, Man!
    2023-12-02 00:00:00.0

    Reply