5 วิว Premium12/09/2023
คุณพ่อสุดหล่อทั้ง 5 ของฉัน ตอนที่ 36
25 วิว
sum Find 1/1.4 + 1/4.7 +1/7.10+... +1/((3n-2)(3n+1))
3 วิว
AP Calculus 2nd way: trig integral ∫sin^2(x) cos^2(x) dx
0 วิว
1)integral ∫ x dx 2)integral ∫ ln(x)/x dx via inspection [NO u-sub]
2nd way: trig differentiate (log(x))^cos(x)
Evaluate these 7 integrals ...
Columbia U: 3rd way Evaluate the indefinite integral ∫1/(1+e^x) dx
prob stat: 2 ways Joe's mean mark for the physics tests for the term was 72.
1st part: Mean 1+2+3+...+n is just (1+n)/2. Why?
UT Austin: ∫x (1-x^2)^1/4 dx
1 วิว
derivative differentiate x^sin(x) + (sin(x))^cos(x)
2 วิว
exp integral ∫e^x/((a+e^x)(b+e^x)) dx
#16 2014 MIT Integration Bee Qualifying Exam
2 ways: 𝖎𝖓𝖙𝖊𝖌𝖗𝖆𝖑 ∫3x/((x-2)(x+1)) dx
4th/5ways: triangular num: Show t(n-1) + tn = n^2 where tn = nth triangular number
integral ∫x^3/(1-x^8) dx
2nd way: derivative x^(-1/x)
JHU: log ∫ln(t)/t^2 dt
Practice STPM Math Sem2 derivative
4 วิว
UC Davis: 2nd way differentiate y=(sin(x))^(x^3)