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- *(DEFINITIONS)*
- MVT: If f(x) is continuous on the closed
- interval [a,b] and differentiable on
- the open interval (a,b), there is a number
- a<c<b such that f'(c) = (f(b)-f(a)) / (b-a)
- MVT in english: Do rise/run of a and b
- to find the slope of some point c.
- PFD: factor out denominator and xmultiply
- *(PHYSICS)*
- ON THE OPEN ENDED, IF IT ASKS FOR
- POSITION OF SOMETHING, IT'S THE
- POSITION YOU'RE GIVEN AT SOME POINT
- PLUS THE CHANGE!!! IE: If f(8) = 2,
- and you want the position at 10, it's
- 2 + the integral of speed from 8 to 10.
- Velocity = D(Position)
- Accel. = D(Velocity)
- Velocity Vector: <dx/dt , dy/dt>
- speed = sqrt((x')^2 + (y')^2)
- distance = integral of that ^
- Average velocity: delta(x)/delta(t)
- *(FUCKERY)*
- AREA BETWEEN CURVES
- Integral of top - bottom (dx)
- or right - left (dy)
- (1/2) * integral(r^2 dtheta) = AofPOLAR
- pi * integral of R^2 - r^2 = DISC
- dy/dx of parametric = dy/dt / dx/dt
- dy/dx of polar = dy/d0 / dx/d0
- *(SERIES)*
- TAYLOR SERIES GENERAL TERM:
- f(x) = f(a) + f'(a)(x-a) + f''(a)/2! * (x-a)^2
- + f'''(a)/3! * (x-a)^3
- Geometric: if sigma(a * r^n){
- diverges if |r| >= 1;
- converges to initial / (1-r) if |r|<1;
- }
- P series:
- if sigma(1/n^constant){
- if c = 1, harmonic + diverges
- if c > 1, converges
- }
- e^x = 1+x+x^2/(2!)+x^3/(3!) = x^n/n!
- cos(x) = 1-(x^2)/2! + x^4/4! = (-1)^n*(x^2n)/2k!
- sin(x) = x - x^3/3! + x^5/5! = (-1)^n*(x^(2n+1))/(2n+1)!
- 1/(1-x) = 1 + x + x^2 + x^3 = x^n
- ln(x+1) = x - x^2/2 + x^3/3 -x^4/4 = (-1)^n+1 * x^n/n
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