1.設f(X)=X+1,│X-1│<0.001 試求limf(X)?
X2 , │X-1│≧ 0.001 X→1
(√1+X+X2 ) -(1+ax)
2.設lim ----------------- =b, 且a≠0,試求a,b之值?
X→2 X-2
3.設函數f(x)=√X,試找一正數δ滿足:0<│x-4│<δ→│f(x)-2│<0.1
4.試求:
1-cosX
(1) lim-------------
X→0
sin5X
(2) lim---------------
X →0 sin3X