面积 13+2x-x^2,3x+1

解答

面积

13 + 2 x - x^{2}, 3 x + 1

\frac{343}{6}

十进制

57.16666 \dots

求解步骤

使用面积公式:

\int_{- 4}^{3} 13 + 2 x - x^{2} - (3 x + 1) d x

解

\int_{- 4}^{3} 13 + 2 x - x^{2} - (3 x + 1) d x : \frac{343}{6}

面积为:

= \frac{343}{6}

d er i v a t i v e f (x) = (x + 1)^{2 x}

roo t s \frac{x}{a}

t an g e n t \frac{x}{y} = sin (\frac{π x y}{2}), (1, 1)

\frac{\partial}{\partial x} (y^{2} + 2 x y - x^{2})

x \to 16 lim (x + 2 x)