64668
| Pregunta | Respuesta |
| Indice rules | x(a) x x(b) = x(a+b) x(a)/x(b)=x(a-b) [x(a)](b)=x(axb) x(0)=1 x(-a) = 1/x(a) x(1/n) = nth root of x x(m/n) = [nth root of x](m) |
| Equation of image and image of y=f(x) for: translation of Ai+Bj | x by (x-a) y by (y-b) y-b=f(x-a) y=f(x-a) + b |
| Equation of image and image of y=f(x) for: reflection in x-axis | y by -y -y=f(x) y=-f(x) |
| reflection in y-axis | replace x by -x y=f(-x) |
| Equation of image and image of y=f(x) for: Strech factor k in x-direction | replace x by 1/kx y=f(1/kx) |
| Equation of image and image of y=f(x) for: Stretch scale factor k in y-direction | y by 1/ky 1/ky = f(x) y = kf(x) |
| how to find limit of converging sequence? A=? d=? | replace un and un+1 by l, form equation and solve first term common difference |
| Binomial expansion | ascending powers of b, descending powers of a |
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