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education/math/Standard forms of circles.md
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@ -6,7 +6,7 @@ The general equation for a circle:
$$ (x - h)^2 + (y - k)^2 =r^2 $$ $$ (x - h)^2 + (y - k)^2 =r^2 $$
Distance formula: Distance formula:
$$ \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2} $$ $$ \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2} $$
Midpoint foruma: Midpoint formula:
$$ (\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2}) $$ $$ (\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2}) $$
Adding functions: Adding functions:
$$ (f + g)(x) = f(x) + g(x) $$ $$ (f + g)(x) = f(x) + g(x) $$

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education/statistics/Untitled.md
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