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  1. *(DEFINITIONS)*
  2. MVT: If f(x) is continuous on the closed
  3. interval [a,b] and differentiable on
  4. the open interval (a,b), there is a number
  5. a<c<b such that f'(c) = (f(b)-f(a)) / (b-a)
  6.  
  7. MVT in english: Do rise/run of a and b
  8. to find the slope of some point c.
  9.  
  10. PFD: factor out denominator and xmultiply
  11.  
  12.  
  13.  
  14. *(PHYSICS)*
  15.  
  16. ON THE OPEN ENDED, IF IT ASKS FOR
  17. POSITION OF SOMETHING, IT'S THE
  18. POSITION YOU'RE GIVEN AT SOME POINT
  19. PLUS THE CHANGE!!! IE: If f(8) = 2,
  20. and you want the position at 10, it's
  21. 2 + the integral of speed from 8 to 10.
  22.  
  23.  
  24. Velocity = D(Position)
  25.  
  26. Accel. = D(Velocity)
  27.  
  28. Velocity Vector: <dx/dt , dy/dt>
  29.  
  30. speed = sqrt((x')^2 + (y')^2)
  31.  
  32. distance = integral of that ^
  33.  
  34. Average velocity: delta(x)/delta(t)
  35.  
  36.  
  37. *(FUCKERY)*
  38.  
  39. AREA BETWEEN CURVES
  40.  
  41. Integral of top - bottom (dx)
  42. or right - left (dy)
  43.  
  44.  
  45. (1/2) * integral(r^2 dtheta) = AofPOLAR
  46.  
  47. pi * integral of R^2 - r^2 = DISC
  48.  
  49.  
  50. dy/dx of parametric = dy/dt / dx/dt
  51.  
  52. dy/dx of polar = dy/d0 / dx/d0
  53.  
  54.  
  55. *(SERIES)*
  56.  
  57.  
  58. TAYLOR SERIES GENERAL TERM:
  59.  
  60. f(x) = f(a) + f'(a)(x-a) + f''(a)/2! * (x-a)^2
  61. + f'''(a)/3! * (x-a)^3
  62.  
  63. Geometric: if sigma(a * r^n){
  64. diverges if |r| >= 1;
  65. converges to initial / (1-r) if |r|<1;
  66. }
  67.  
  68. P series:
  69. if sigma(1/n^constant){
  70. if c = 1, harmonic + diverges
  71. if c > 1, converges
  72. }
  73.  
  74.  
  75. e^x = 1+x+x^2/(2!)+x^3/(3!) = x^n/n!
  76.  
  77. cos(x) = 1-(x^2)/2! + x^4/4! = (-1)^n*(x^2n)/2k!
  78.  
  79. sin(x) = x - x^3/3! + x^5/5! = (-1)^n*(x^(2n+1))/(2n+1)!
  80.  
  81. 1/(1-x) = 1 + x + x^2 + x^3 = x^n
  82.  
  83. ln(x+1) = x - x^2/2 + x^3/3 -x^4/4 = (-1)^n+1 * x^n/n
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