danmaku icon

3rd/3ways: sum Show 1+2+3+...+n = n(1+n)/2

1 ViewSep 8, 2023

warn iconRepost is prohibited without the creator's permission.
creator avatar
banner

Recommended for You

  • All
  • Anime
1st way: STPM Math T Sem2 By using the Maclaurin's theorem show that ...
9:15

1st way: STPM Math T Sem2 By using the Maclaurin's theorem show that ...

118blbl118118blbl118

6 Views

Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"
5:18

Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"

118blbl118118blbl118

24 Views

2nd/3ways: trig integral ∫sec(x) dx
1:46

2nd/3ways: trig integral ∫sec(x) dx

118blbl118118blbl118

12 Views

1st way: exp ∫(e^x)/x (1+x log(x)) dx
1:49

1st way: exp ∫(e^x)/x (1+x log(x)) dx

118blbl118118blbl118

34 Views

MP 8,93,96,97,99 Hindustan: Evaluate ∫ sec(x)/(sec(x)-tan(x)) dx
1:23

MP 8,93,96,97,99 Hindustan: Evaluate ∫ sec(x)/(sec(x)-tan(x)) dx

118blbl118118blbl118

29 Views

Review: Linear form, Quadratic form & Bilinear form
9:02

Review: Linear form, Quadratic form & Bilinear form

118blbl118118blbl118

22 Views

trig Write each expression as an equivalent algebraic expression involving only x.
1:56

trig Write each expression as an equivalent algebraic expression involving only x.

118blbl118118blbl118

23 Views

AI 2008 Hindustan: Evaluate integral ∫ 2/3 cos(x)/sin^2(x) dx
0:56

AI 2008 Hindustan: Evaluate integral ∫ 2/3 cos(x)/sin^2(x) dx

118blbl118118blbl118

40 Views

Swinburne U 2nd way: e^(-e^x) e^x dx
0:34

Swinburne U 2nd way: e^(-e^x) e^x dx

118blbl118118blbl118

10 Views

Alternate way: sq root integral ∫1/√((x-α)(x-β)) dx
6:05

Alternate way: sq root integral ∫1/√((x-α)(x-β)) dx

118blbl118118blbl118

2 Views

Review: Product to Sum Identities
9:52

Review: Product to Sum Identities

118blbl118118blbl118

2 Views

CMU: Find these integrals (a)-(b)
6:01

CMU: Find these integrals (a)-(b)

118blbl118118blbl118

4 Views

2nd/2parts: Linear interpolation (2 given points)
9:42

2nd/2parts: Linear interpolation (2 given points)

118blbl118118blbl118

6 Views

3 picture views of the sum ... 1+2+3+...+n
11:55

3 picture views of the sum ... 1+2+3+...+n

118blbl118118blbl118

0 View

Lamar U: Derivatives of Exponential & Log Functions Assignment Problems.
6:22

Lamar U: Derivatives of Exponential & Log Functions Assignment Problems.

118blbl118118blbl118

3 Views

Alternate way: exp derivative x^n
3:13

Alternate way: exp derivative x^n

118blbl118118blbl118

1 View

4 ways: Evaluate Σ(2k+1) k=1,20
5:19

4 ways: Evaluate Σ(2k+1) k=1,20

118blbl118118blbl118

0 View

1st/2parts: Linear interpolation (2 given points)
5:03

1st/2parts: Linear interpolation (2 given points)

118blbl118118blbl118

3 Views

OSU Math 1151 Practice4: Compute the derivative
9:26

OSU Math 1151 Practice4: Compute the derivative

118blbl118118blbl118

1 View

1st way: Differentiate the function w.r.t x log10(x)+logx(10)+logx(x)+log10(10)
2:06

1st way: Differentiate the function w.r.t x log10(x)+logx(10)+logx(x)+log10(10)

118blbl118118blbl118

1 View

Home>3rd/3ways: sum Show 1+2+3+...+n = n(1+n)/2>