2 Views PremiumJul 22, 2023
1st/2ways: permutation Show P(n,2)+P(n,1)=n^2
8 Views
2nd way: integral ∫ log √x(x^n) dx
79 Views
2nd/3ways: trig integral ∫sec(x) dx
13 Views
AI 2008 Hindustan: Evaluate integral ∫ 2/3 cos(x)/sin^2(x) dx
41 Views
Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"
24 Views
Solve the following differential equation cos^2(x)dy/dx +y = tan(x)
14 Views
2 ways: sq root derivative 1/(√√(1/√x))
derivative log f(g(x)) (a)
1 View
Calculus: Find nth derivative of log(ax+b)
2 Views
2 ways: exp integral ∫(p^x + q^x)/r^x dx
0 View
2 ways: integral ∫(x-a)/(x+a) dx
Princeton U: trig integral ∫sin(x)/√(1+cos(x)) dx
[Beautiful grandmother born in the 1960s] Real shots of grandmother born in the 1960s 🎬 Yili adverti
4th/10 part: Logical conjunction
AP Calculus 2nd way: integral ∫(ax+c)/(ax^2 + bx) dx
There are 2 lines. One line has 3 points & the other line has 6 points.
5 Views
prob & stat: Show Var(X)=E(X^2)-(E(X))^2
Princeton U: Compute the integral ∫sin^5(x)/cos(x) dx
2nd/2 ways: derivative y=(ln(x))^x