मराठी

Write a Value of ∫ E Log S I N X Cos X D X

Advertisements
Advertisements

प्रश्न

Write a value of

\[\int e^{\text{ log  sin x  }}\text{ cos x}. \text{ dx}\]
बेरीज
Advertisements

उत्तर

Let Ielog sin x . cos x dx 

\[\int\] sin x × cos x dx            \[\left( \because e^{log \text{ a} }= a \right)\]
Let sin t
⇒​ cos x dx = dt
\[\therefore I\]\[\int\] t . dt

\[= \frac{t^2}{2} + C\]
\[ = \frac{\sin^2 x}{2} + C \left( \because t = \sin x \right)\]

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 18: Indefinite Integrals - Very Short Answers [पृष्ठ १९७]

APPEARS IN

आर.डी. शर्मा Mathematics Volume 1 and 2 [English] Class 12
पाठ 18 Indefinite Integrals
Very Short Answers | Q 11 | पृष्ठ १९७

संबंधित प्रश्‍न

Evaluate : `int_0^pi(x)/(a^2cos^2x+b^2sin^2x)dx`


Find the particular solution of the differential equation x2dy = (2xy + y2) dx, given that y = 1 when x = 1.


Integrate the functions:

sin x ⋅ sin (cos x)


Integrate the functions:

`e^(2x+3)`


Integrate the functions:

`(sin^(-1) x)/(sqrt(1-x^2))`


Evaluate `int (x-1)/(sqrt(x^2 - x)) dx`


Write a value of\[\int\frac{\cos x}{\sin x \log \sin x} dx\]

 


Write a value of\[\int\frac{\sin x}{\cos^3 x} \text{ dx }\]


Write a value of\[\int\sqrt{x^2 - 9} \text{ dx}\]


\[\text{ If } \int\left( \frac{x - 1}{x^2} \right) e^x dx = f\left( x \right) e^x + C, \text{ then  write  the value of  f}\left( x \right) .\]

\[\int\frac{\sin x + 2 \cos x}{2 \sin x + \cos x} \text{ dx }\]


Integrate the following w.r.t. x : `(3x^3 - 2x + 5)/(xsqrt(x)`


Evaluate the following integrals : `int cos^2x.dx`


Integrate the following functions w.r.t.x:

`(2sinx cosx)/(3cos^2x + 4sin^2 x)`


Integrate the following functions w.r.t. x : `x^2/sqrt(9 - x^6)`


Integrate the following functions w.r.t. x : `3^(cos^2x) sin 2x`


Evaluate the following:

`int (1)/(25 - 9x^2)*dx`


Integrate the following functions w.r.t. x : `int (1)/(4 - 5cosx).dx`


Integrate the following functions w.r.t. x : `int (1)/(3 - 2cos 2x).dx`


Evaluate the following integrals : `int (2x + 3)/(2x^2 + 3x - 1).dx`


If f'(x) = 4x3 − 3x2  + 2x + k, f(0) = 1 and f(1) = 4, find f(x).


Evaluate the following.

`int 1/("x" log "x")`dx


Evaluate the following.

`int "x"^3/(16"x"^8 - 25)` dx


Evaluate the following.

`int 1/(7 + 6"x" - "x"^2)` dx


Evaluate the following.

`int 1/(sqrt("x"^2 + 4"x"+ 29))` dx


Evaluate the following.

`int 1/(sqrt("x"^2 -8"x" - 20))` dx


`int sqrt(1 + "x"^2) "dx"` =


`int logx/x  "d"x`


If `tan^-1x = 2tan^-1((1 - x)/(1 + x))`, then the value of x is ______ 


If I = `int (sin2x)/(3x + 4cosx)^3 "d"x`, then I is equal to ______.


`int (sin  (5x)/2)/(sin  x/2)dx` is equal to ______. (where C is a constant of integration).


Evaluate the following.

`int 1/(x^2+4x-5)  dx`


Evaluate the following

`int1/(x^2 +4x-5)dx`


Evaluate the following.

`int x^3/(sqrt(1 + x^4))dx`


Solve the following Evaluate.

`int(5x^2 - 6x + 3)/(2x - 3)dx`


Evaluate the following.

`int x^3 e^(x^2) dx`


`int (cos4x)/(sin2x + cos2x)dx` = ______.


Evaluate the following

`int x^3 e^(x^2) ` dx


Which standard substitution is used for \[\sqrt{\mathrm{a}^2-x^2}\], \[\frac{1}{\sqrt{\mathrm{a}^2-x^2}}\], or \[\mathrm{a}^2-x^2\]?


After choosing \[u=g(x)\], what is the next step?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×