limit as x approaches 0 of x^2+x+1

解答

x \to 0 lim (x^{2} + x + 1)

1

求解步骤

x \to 0 lim (x^{2} + x + 1)

代入值

x = 0

= 0^{2} + 0 + 1

化简

= 1

e^{x - y} y^{^{'}} = x - 3

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

l a pl a ce t r an s f or m - 8 e^{π - t}

d er i v a t i v e (x^{3} + 2 x^{2})^{- 1}

n = 1 \sum \infty arctan (n + 1)