Freeflows
Partial Fraction Coefficients 2
By partial fractions, \[\frac{1}{ax^2 + bx + c} = \frac{A}{x - \dfrac{-b + \sqrt{b^2 - 4ac}}{2a}} + \frac{B}{x - \dfrac{-b - \sqrt{b^2 - 4ac}}{2a}}.\]Find $ A + B $.
- 1
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- +
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- -
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- 9
- $\frac{a}{b}$
- .
- 0
- =
- %
- $a^n$
- $a^{\circ}$
- $a_n$
- $\sqrt{}$
- $\sqrt[n]{}$
- $\pi$
- $\ln{}$
- $\log$
- $\theta$
- $\sin{}$
- $\cos{}$
- $\tan{}$
- $($
- $)$
- $[$
- $]$
- $\cap$
- $\cup$
- $,$
- $\infty$