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人気のある微分積分 >

根 (ax+b)/(cx+d)

解

根

\frac{a x + b}{c x + d}

解

x = - \frac{b}{a}; a \neq = 0

解答ステップ

\frac{a x + b}{c x + d}

根はx軸の切片である

(y = 0)

\frac{a x + b}{c x + d} = 0

\frac{f ( x )}{g ( x )} = 0 \Rightarrow f (x) = 0

a x + b = 0

b

を右側に移動します

a x = - b

以下で両辺を割る

a; a \neq = 0

x = - \frac{b}{a}; a \neq = 0

グラフ

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