求lim(x→0)(∫[cosx→1] e^-t^2dt)/(x^2)
求极限lim(x→0+) ∫(0~x)ln(t+e^t)dt/1+cosx
急求极限lim(x→0){∫(从cos x到1)e^(-t^2)dt}/x^2 ;
lim→0[∫(上限x,下限0)(1+t^2)e^t^2dt]/xe^x^2 lim→0[∫(上限x^2,下限0)cos
设f(x)=∫(1,x^2) e^(-t)/t dt,求∫(0,1)xf(x)dt
lim x→0[∫上x下0 cos(t^2)dt]/x ; lim x→0[∫上x下0 ln(1+t)dt]/(xsin
lim(x->0)1/x∫(0到sinx)cos(t^2)dt
求极限 lim x→0 ∫sin t^2 dt / x^3 从2x积到0
lim(∫根号(t)dt/sin(xπ),(1,x^2),x趋于1,求极限,
求极限 lim→+0 ∫(√x,0) ((1-cost^2)dt)/(x^(5/2))
lim (x趋近于无穷大)[∫(0,x)t^2*e^(t^2-x^2)dt]/x
求极限lim(x→0)∫上x下0(t-sint)dt/x^3
高数洛必达(急)lim(tanx)^<2x-派>,x趋向2/派.lim( §0 x.e^t^2.dt)^5/ §0~x.