Bài 1: Nguyên hàm
Các câu hỏi tương tự
Tính tích phân các hàm lượng giác sau :a) I_1int_1^2left(3x^2+cos x+frac{1}{x}right)dxb) I_2int_1^2left(frac{4}{x}-5x^2+2sqrt{x}right)dxc) I_3int_a^bfrac{left|xright|}{x}dx, với ab0d) I_5int_0^{frac{pi}{2a}}left(x+3right)sin ax.dx với a0e)I_4int_0^{pi}sqrt{frac{1+cos2x}{2}}dx
Đọc tiếp
Tính tích phân các hàm lượng giác sau :
a) \(I_1=\int_1^2\left(3x^2+\cos x+\frac{1}{x}\right)dx\)
b) \(I_2=\int_1^2\left(\frac{4}{x}-5x^2+2\sqrt{x}\right)dx\)
c) \(I_3=\int_a^b\frac{\left|x\right|}{x}dx\), với ab>0
d) \(I_5=\int_0^{\frac{\pi}{2a}}\left(x+3\right)\sin ax.dx\) với a>0
e)\(I_4=\int_0^{\pi}\sqrt{\frac{1+\cos2x}{2}}dx\)
1)intsqrt{frac{1-sqrt{x}}{1+sqrt{x}}}dx
2)intfrac{dx}{left(e^x+1right)left(x^2+1right)}
3)intfrac{1+2xsqrt{1-x^2}+2x^2}{1+x+sqrt{1+x^2}}dx
4)intfrac{sin^6x+ctext{os}^6x}{1+6^x}dx
5)int_0^{frac{pi}{2}}frac{sqrt{ctext{os}x}}{sqrt{stext{inx}}+sqrt{ctext{os}x}}dx
6)intfrac{x^4}{2^x+1}dx
7)int_0^{frac{pi^2}{4}}sinsqrt{x}dx
8)intsqrt[6]{1-ctext{os}^3x}.stext{inx}.ctext{os}^5xdx
9)intsqrt{frac{1}{4x}+frac{sqrt{x}+e^x}{sqrt{x}.e^x}}dx
10)intfrac{ctext{os}x+stext{inx}}{left(e^xstext{inx}+1right)...
Đọc tiếp
1)\(\int\sqrt{\frac{1-\sqrt{x}}{1+\sqrt{x}}}dx\)
2)\(\int\frac{dx}{\left(e^x+1\right)\left(x^2+1\right)}\)
3)\(\int\frac{1+2x\sqrt{1-x^2}+2x^2}{1+x+\sqrt{1+x^2}}\)dx
4)\(\int\frac{sin^6x+c\text{os}^6x}{1+6^x}dx\)
5)\(\int_0^{\frac{\pi}{2}}\frac{\sqrt{c\text{os}x}}{\sqrt{s\text{inx}}+\sqrt{c\text{os}x}}dx\)
6)\(\int\frac{x^4}{2^x+1}dx\)
7)\(\int_0^{\frac{\pi^2}{4}}sin\sqrt{x}dx\)
8)\(\int\sqrt[6]{1-c\text{os}^3x}.s\text{inx}.c\text{os}^5xdx\)
9)\(\int\sqrt{\frac{1}{4x}+\frac{\sqrt{x}+e^x}{\sqrt{x}.e^x}}dx\)
10)\(\int\frac{c\text{os}x+s\text{inx}}{\left(e^xs\text{inx}+1\right)s\text{inx}}dx\)
2 tháng 1 lúc 20:54
Tìm nguyên hàm sau:
$\displaystyle\int
\left(3x^2 - \frac{4}{x} + \sin3x - \cos4x + e^{2x+1} + 3^{2x-2} + 3\sqrt{x^4} + \frac{1}{\cos^2x} - \frac{1}{\sin^2x}\right) dx$
1, \(\int\dfrac{x}{1-cos2x}dx\)
2, \(\int cos2x.e^{3x}dx\)
3, \(\int\left(2x+1\right)ln^2dx\)
4, \(\int\left(2x-1\right)cosxdx\)
5, \(\int\left(x^2+x+1\right)e^xdx\)
6, \(\int\left(2x+1\right)ln\left(x+2\right)dx\)
1, \(\int\dfrac{lnxdx}{\sqrt{x}}\)
2, \(\int ln\left(x+\sqrt{x^2+1}\right)dx\)
3, \(\int\left(x^2+2x+3\right)dx\)
Tính các nguyên hàm sau :
a) int xleft(3-xright)^5dx
b) intleft(2^x-3^xright)^2dx
c) int xsqrt{2-5x}dx
d) intdfrac{lnleft(cos xright)}{cos^2x}dx
e) intdfrac{x}{sin^2x}dx
intdfrac{x+1}{left(x-2right)left(x+3right)}dx
h) intdfrac{1}{1-sqrt{x}}dx
i) intsin3xcos2xdx
k) intdfrac{sin^3x}{cos^2x}dx
l) intdfrac{sin xcos x}{sqrt{a^2sin^2x+b^2cos^2x}}dx (a^2ne b^2)
Đọc tiếp
Tính các nguyên hàm sau :
a) \(\int x\left(3-x\right)^5dx\)
b) \(\int\left(2^x-3^x\right)^2dx\)
c) \(\int x\sqrt{2-5x}dx\)
d) \(\int\dfrac{\ln\left(\cos x\right)}{\cos^2x}dx\)
e) \(\int\dfrac{x}{\sin^2x}dx\)
\(\int\dfrac{x+1}{\left(x-2\right)\left(x+3\right)}dx\)
h) \(\int\dfrac{1}{1-\sqrt{x}}dx\)
i) \(\int\sin3x\cos2xdx\)
k) \(\int\dfrac{\sin^3x}{\cos^2x}dx\)
l) \(\int\dfrac{\sin x\cos x}{\sqrt{a^2\sin^2x+b^2\cos^2x}}dx\) (\(a^2\ne b^2\))
Tìm các nguyên hàm sau
1.intfrac{9x^2}{sqrt{1-x^3}}dx
2.intfrac{1}{sqrt{x}left(1+sqrt{x}right)^3}dx
3.intfrac{x}{sqrt{2x+3}}dx
4.int frac{e^{2x}}{sqrt{1+e^x}} dx
5.intfrac{sqrt[3]{1+lnx}}{x}dx
6.int cosxsin3xdx
7.int (x2+2x-1)exdx
8.int excosxdx
9.int xsin(2x+1)dx
10.int (1-2x)e3xdx
Đọc tiếp
Tìm các nguyên hàm sau
1.\(\int\frac{9x^2}{\sqrt{1-x^3}}dx\)
2.\(\int\frac{1}{\sqrt{x}\left(1+\sqrt{x}\right)^3}dx\)
3.\(\int\frac{x}{\sqrt{2x+3}}dx\)
4.\(\int\) \(\frac{e^{2x}}{\sqrt{1+e^x}}\) dx
5.\(\int\frac{\sqrt[3]{1+lnx}}{x}dx\)
6.\(\int\) cosxsin3xdx
7.\(\int\) (x2+2x-1)exdx
8.\(\int\) excosxdx
9.\(\int\) xsin(2x+1)dx
10.\(\int\) (1-2x)e3xdx
Tính :
\(I_1=\int\dfrac{x^2-2x+2}{\sqrt{x^2-2x}}dx\)
\(I_2=\dfrac{dx}{\left(x-1\right)\sqrt{x^2-2x+2}}\)
\(I_3=\dfrac{dx}{\left(2x+1\right)\sqrt{x^2-2x+2}}\)
\(\int\dfrac{1}{cosx.cos\left(x+\dfrac{\pi}{4}\right)}dx\)
\(\int\dfrac{1}{x^3\left(1+x^2\right)}dx=\dfrac{a}{x^2}+blnx+cln\left(1+x^2\right).S=a+b+c=?\)
\(\int\dfrac{5-3x}{\left(x^2-5x+6\right)\left(x^2-2x+1\right)}dx=\dfrac{a}{x-1}-ln\left(\dfrac{x-b}{x-c}\right)+C.P=2a+b\)