求极限lim(x→1)sin(1-x)/(1-x^2)
举一反三
- 求函数极限:lim((1/(1-x)-3/(1-x^3))当x——>1时的极限
- lim(1-x)tan派x/2(x趋向1)
- x→1时,sin(x)/(1-x^2)的极限是()。 A: 1 B: 0 C: /2 D: 1/2
- 求极限\( \lim \limits_{x \to 0} { { {x^2}\sin {1 \over x}} \over {\sin x}}{\rm{ = }}\)______
- <img src="http://edu-image.nosdn.127.net/E6A0628104FCB0F521FBF2AAAC7F1968.png?imageView&thumbnail=890x0&quality=100" style="width: 558px; height: 33px;" />? syms xy=log(1/x*x+exp(x))+sin(1-x^2)dy/dx=diff(y,x)|syms xy=log(1/x/x+exp(x))+sin(1-x^2)dydx=diff(y,x)|syms xy=log(1/x/x+exp(x))+sin(1-x)^2dydx=diff(y,x)|syms xy=log(1/x/x+exp^x)+sin(1-x^2)dydx=diff(y,x)