中点 (-2,5),(6,-9)

解答

中点

(- 2, 5), (6, - 9)

(2, - 2)

求解步骤

(x_{1}, y_{1}), (x_{2}, y_{2})

的中点:

(\frac{x _{2} + x _{1}}{2}, \frac{y _{2} + y _{1}}{2})

(x_{1}, y_{1}) = (- 2, 5), (x_{2}, y_{2}) = (6, - 9)

= (\frac{6 - 2}{2}, \frac{- 9 + 5}{2})

整理后得

= (2, - 2)

in f l ec t i o n \frac{x ^{3}}{x ^{2} + 5}

d o main \frac{10}{1 - x}

in v erse f (x) = x^{11}

cr i t i c a l \frac{( 3 e ^{x} )}{3 e ^{x} + 7}

in v erse f (x) = lo g_{4} (x)