1.Find the interval of convergence of the power series
∞ (x-2)^n
Σ (-1)^n ----------
n=0 n+1
√1+√2+√3+....+√n
2.lim ----------------------
n→∞ n^3/2
x^2
3.If ∫ f(t)dt=xcosπx,find f(4)
0
4.Let f and g be differentiable functions and assume that f(g(x)) = x and
f'(x)=1+{f(x)}^3. Find g'(x).
幫解一下 謝謝~
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※ 編輯: beingsad 來自: 59.117.65.193 (07/08 11:20)