danmaku icon

Review: Arithmetic Series a+(a+d)+(a+2d)+...+(a+(n-1)d)=

1 ViewNov 10, 2023

= 1) 1/2 n(2a+(n-1)d) = 2) 1/2 n(a+l) where l=a+(n-1)d & special cases 3) special cases ....
warn iconRepost is prohibited without the creator's permission.
creator avatar
banner

Disyorkan untuk anda

  • Semua
  • Anime
logic Idempotent law show x=xVx
1:11

logic Idempotent law show x=xVx

118blbl118118blbl118

18 Views

2nd way: derivative x^n w.r.t x^x
1:34

2nd way: derivative x^n w.r.t x^x

118blbl118118blbl118

5 Views

MPPET 1996 Hindustan: trig integral ∫ sin^2(x) -cos^2(x)/(sin^2(x) cos^2(x)) dx
2:09

MPPET 1996 Hindustan: trig integral ∫ sin^2(x) -cos^2(x)/(sin^2(x) cos^2(x)) dx

118blbl118118blbl118

39 Views

Pantun Melayu [Buah cempedak di luar pagar]
0:28

Pantun Melayu [Buah cempedak di luar pagar]

118blbl118118blbl118

31 Views

Pantun Melayu [Sorong papan tarik papan]
0:33

Pantun Melayu [Sorong papan tarik papan]

118blbl118118blbl118

33 Views

A box contains 8 blue & 6 red socks. What is the number of ways that 2 socks can be drawn ...
1:23

A box contains 8 blue & 6 red socks. What is the number of ways that 2 socks can be drawn ...

118blbl118118blbl118

35 Views

UC Davis #10: count prove Σi = n(n+1)/2 where i=1 to n
5:12

UC Davis #10: count prove Σi = n(n+1)/2 where i=1 to n

118blbl118118blbl118

1 View

derivative Find d2y/dx2 for this function y=ln(x)/(1-x)
4:09

derivative Find d2y/dx2 for this function y=ln(x)/(1-x)

118blbl118118blbl118

0 View

Screen Recording 2024-05-12 at 8.34.35 PM
4:48

Screen Recording 2024-05-12 at 8.34.35 PM

118blbl118118blbl118

0 View

Discrete rv X has the following prob. distribution
2:36

Discrete rv X has the following prob. distribution

118blbl118118blbl118

0 View

Lamar U: #11 trig integral ∫csc^6(x/4) cot^4(x/4) dx
2:34

Lamar U: #11 trig integral ∫csc^6(x/4) cot^4(x/4) dx

118blbl118118blbl118

0 View

Screen Recording 2024-02-16 at 8.23.14 PM
2:18

Screen Recording 2024-02-16 at 8.23.14 PM

118blbl118118blbl118

0 View

A man accidentally swallowed wireless headphones and this is what happened to his esophagus.
8:07

A man accidentally swallowed wireless headphones and this is what happened to his esophagus.

chubbyemuchubbyemu

0 View

UC Davis #11: count prove Σi^2 = n(n+1)(2n+1)/6 where i=1 to n
5:39

UC Davis #11: count prove Σi^2 = n(n+1)(2n+1)/6 where i=1 to n

118blbl118118blbl118

0 View

2nd way: trig Evaluate 𝖎𝖓𝖙𝖊𝖌𝖗𝖆𝖑 ∫ sin^3(x)/√cos(x) dx
1:18

2nd way: trig Evaluate 𝖎𝖓𝖙𝖊𝖌𝖗𝖆𝖑 ∫ sin^3(x)/√cos(x) dx

118blbl118118blbl118

0 View

2nd/2parts stat: SLR Regression lline always goes through the point (x̄, ȳ)
3:44

2nd/2parts stat: SLR Regression lline always goes through the point (x̄, ȳ)

118blbl118118blbl118

1 View

NYU: compute ∫ln(x)/x^2 dx
1:21

NYU: compute ∫ln(x)/x^2 dx

118blbl118118blbl118

0 View

2nd way: integral 1) ∫1/√(a - √b x^2)dx vs 2) ∫1/√(a - √b x^2) dx
2:36

2nd way: integral 1) ∫1/√(a - √b x^2)dx vs 2) ∫1/√(a - √b x^2) dx

118blbl118118blbl118

0 View

#8 Lamar U: evaluate integral sec^8(t/2) tan^5(t/2) dt
2:14

#8 Lamar U: evaluate integral sec^8(t/2) tan^5(t/2) dt

118blbl118118blbl118

4 Views

Rutgers U: 2nd way compute ∫√(x^2 -2)/x dx
2:38

Rutgers U: 2nd way compute ∫√(x^2 -2)/x dx

118blbl118118blbl118

0 View

Laman utama>Review: Arithmetic Series a+(a+d)+(a+2d)+...+(a+(n-1)d)=>