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不定积分最全公式

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常见不定积分公式 1)∫0dx=c

2)∫x^udx=(x^u+1)/(u+1)+c 3)∫1/xdx=ln|x|+c 4))∫a^xdx=(a^x)/lna+c 5)∫e^xdx=e^x+c 6)∫sinxdx=-cosx+c 7)∫cosxdx=sinx+c 8)∫1/(cosx)^2dx=tanx+c 9)∫1/(sinx)^2dx=-cotx+c 10)∫1/√(1-x^2) dx=arcsinx+c 11)∫1/(1+x^2)dx=arctanx+c

12)∫1/(a^2—x^2)dx=(1/2a)ln|(a+x)/(a—x)|+c 13)∫secxdx=ln|secx+tanx|+c

14)∫1/(a^2+x^2)dx=1/a*arctan(x/a)+c 15)∫1/√(a^2-x^2) dx=arcsin(x/a)+c 16) ∫sec^2 x dx=tanx+c; 17) ∫shx dx=chx+c; 18) ∫chx dx=shx+c; 19) ∫thx dx=ln(chx)+c;

1. ∫adx = ax+C (a 为常数) 2. ∫sin(x)dx = -cos(x)+C 3. ∫cos(x)dx = sin(x)+C

4. ∫tan(x)dx = -loge|cos(x)|+C = loge|sec(x)|+C

5. ∫cot(x)dx = loge|sin(x)|+C

6. ∫sec(x)dx = loge|sec(x)+tan(x)|+C 7. ∫sin2(x)dx

1 = (x—sin(x)cos(x))+C 2 1 1 = x - sin(2x)+C 2 4 9. ∫cos2(x)dx

1 = (x+sin(x)cos(x))+C 2 1 1 = x + sin(2x)+C 2 4

11.∫tan2(x)dx = tan(x)—x+C 12.∫cot2(x)dx = —cot(x)—x+C 13.∫sin(ax)sin(bx)dx

sin((a—b)x) sin((a+b)x) = - +C

2(a-b) 2(a+b) 14.∫sin(ax)cos(bx)dx

cos((a—b)x) cos((a+b)x) = - - +C

2(a—b) 2(a+b) 15.∫cos(ax)cos(bx)dx sin((a—b)x) sin((a+b)x) = + +C

2(a-b) 2(a+b)

16.∫xsin(x)dx = sin(x)-xcos(x)+C

17.∫xcos(x)dx = cos(x)+xsin(x)+C

18.∫x2sin(x)dx = (2-x2)cos(x)+2xsin(x)+C 19.∫x2cos(x)dx = (x2—2)sin(x)+2xcos(x)+C 20.∫exdx = ex+C 21.

a ∫ dx = a log |x| (a 为常数)

x

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