江画工太猩院 ∑(g-1)=m(q-1)取g"=2即q=2 1 ∑f(51Ax=n2-1) 2x-1 lim x(2-1)=lim=In 2, x-+00 limn(2n-1=In 2 1-→0 dx=lim2 Ax;=limn(2m-1 )=In2 1-)0 →0三江西理工大学理学院 ∑ = = − n i q 1 ( 1) = n(q − 1) 取 = 2 n q 即 n q 1 = 2 (2 1), 1 = −n n lim (2 1) 1 − →+∞ x x x Q x x x 1 2 1 lim 1 − = →+∞ = ln2, lim (2 1) 1 ∴ − →∞ n n n = ln2, dx x ∫ 21 1 i ni i = ∑ ∆x = → 1 0 1 limλ ξ lim (2 1) 1 = − →∞ n n n = ln2. i i n i ∑ f ∆x = ( ) 1 ξ