मराठी

Integrate the functions: sin2xcos2x

Advertisements
Advertisements

प्रश्न

Integrate the functions:

`sqrt(sin 2x) cos 2x`

बेरीज
Advertisements

उत्तर

Let `I = int sqrtsin 2x cos 2x dx`

Put sin 2x = t

⇒ 2 cos 2x dx = dt

∴ `I = 1/2 int t^(1/2) dt = 1/2 * t^(1/2 + 1)/(1/2 + 1) + C`

`1/2 xx 2/3 t^(3/2) + C = 1/2 t^(3/2) + C`

`1/3 (sin 2x)^(3/2) + C`

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Integrals - Exercise 7.2 [पृष्ठ ३०५]

APPEARS IN

एनसीईआरटी Mathematics Part 1 and 2 [English] Class 12
पाठ 7 Integrals
Exercise 7.2 | Q 27 | पृष्ठ ३०५

संबंधित प्रश्‍न

Evaluate :

`int(sqrt(cotx)+sqrt(tanx))dx`


Integrate the functions:

`1/(cos^2 x(1-tan x)^2`


Evaluate `int 1/(3+ 2 sinx + cosx) dx`


Write a value of

\[\int\frac{1 + \cot x}{x + \log \sin x} \text{ dx }\]

Write a value of\[\int \log_e x\ dx\].

 


Write a value of

\[\int e^{2 x^2 + \ln x} \text{ dx}\]

Write a value of

\[\int\frac{1 + \log x}{3 + x \log x} \text{ dx }\] .

Write a value of\[\int\frac{\sin x - \cos x}{\sqrt{1 + \sin 2x}} \text{ dx}\]


Write a value of\[\int e^x \left( \frac{1}{x} - \frac{1}{x^2} \right) dx\] .


Write a value of\[\int e^{ax} \left\{ a f\left( x \right) + f'\left( x \right) \right\} dx\] .


`int "dx"/(9"x"^2 + 1)= ______. `


Integrate the following w.r.t. x:

`2x^3 - 5x + 3/x + 4/x^5`


Evaluate the following integrals : `int sqrt(1 + sin 2x) dx`


Integrate the following functions w.r.t. x : `(1)/(sqrt(x) + sqrt(x^3)`


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

`(10x^9 +10^x.log10)/(10^x + x^10)`


Integrate the following functions w.r.t. x : tan5x


Evaluate the following:

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


Evaluate the following : `int (1)/sqrt(8 - 3x + 2x^2).dx`


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


Evaluate the following integral:

`int (3cosx)/(4sin^2x + 4sinx - 1).dx`


If f '(x) = `1/"x" + "x"` and f(1) = `5/2`, then f(x) = log x + `"x"^2/2` + ______


State whether the following statement is True or False.

If `int x  "e"^(2x)` dx is equal to `"e"^(2x)` f(x) + c, where c is constant of integration, then f(x) is `(2x - 1)/2`.


Evaluate: ∫ |x| dx if x < 0


`int (2 + cot x - "cosec"^2x) "e"^x  "d"x`


`int x^x (1 + logx)  "d"x`


If f(x) = 3x + 6, g(x) = 4x + k and fog (x) = gof (x) then k = ______.


`int1/(4 + 3cos^2x)dx` = ______ 


`int ((x + 1)(x + log x))^4/(3x) "dx" =`______.


`int (cos x)/(1 - sin x) "dx" =` ______.


`int ("d"x)/(x(x^4 + 1))` = ______.


`int(7x - 2)^2dx = (7x -2)^3/21 + c`


The value of `intsinx/(sinx - cosx)dx` equals ______.


`int dx/(2 + cos x)` = ______.

(where C is a constant of integration)


Evaluate `int(1 + x + x^2/(2!) )dx`


Evaluate the following

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


Evaluate the following.

`int 1/(x^2 + 4x - 5)  dx`


Evaluate the following.

`int x sqrt(1 + x^2)  dx`


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×