Home
Class 12
PHYSICS
The value of integral underset(2)overset...

The value of integral `underset(2)overset(4)int(dx)/(x)` is :-

A

`3 log _(e)2`

B

`log _(e)2`

C

`log _(e)4`

D

`2 log _(e) 8`

Text Solution

Verified by Experts

The correct Answer is:
B

`int _(2)^(4) (1)/(x) dx=log _(e)x |_(2)^(4)`
` =log _(e) 4-log _(e)2`
`=log _(e) ((4)/(2))=log _(e)2`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

If the value definite integral underset(-4)overset(4)(f)(x^(3)-2x^(2)-"cosec"^(3)x+tanx)/(5-|x|)dx=a+bln5,"where "a,binI , find the value of ((a+b)/(2)) .

Evaluate the following definite integrals underset(0)overset(pi//4)int(dx)/(1+cos2x)

Evaluate the following definite integrals underset(0)overset(a)int(x)/(sqrt(a^(2)+x^(2)))dx

Evaluate the following definite integrals underset(0)overset(1)int(dx)/(sqrt(1-x^(2)))

The value of the integral overset(pi)underset(0)int log(1+cos x)dx is

The value of integral int_(-2)^(4) x[x]dx is

Let [t] denote the greatest integer le t. Then the value of 8 underset(-1/2)overset(1)int [2x]+|x| dx is ____________

underset(1)overset(e)int (e^(x))/(x) (1 + x log x)dx

ALLEN-TEST PAPER 4-PHYSICS
  1. Differentiation of cos (sqrt(x)) with respect to x is

    Text Solution

    |

  2. Given a function y=x^(2)-2sqrt(x). What is rate of change in y with re...

    Text Solution

    |

  3. If y=(x^(2))/((x+1))"then"(dy)/(dx)"is":-

    Text Solution

    |

  4. If y=log (e) x+sin x+e^(x) then (dy)/(dx) is:

    Text Solution

    |

  5. If y=x^(3)cosx" then "(dy)/(dx)=……………………

    Text Solution

    |

  6. If the velocity of a paraticle moving along x-axis is given as v=(4t^(...

    Text Solution

    |

  7. The value of int(0)^(2) 3x^(2)dx+int(0)^(pi//2) sin x dx is :-

    Text Solution

    |

  8. The value of integral underset(2)overset(4)int(dx)/(x) is :-

    Text Solution

    |

  9. Area bounded by curve y=sinx, whit x-axis, when x varies from 0 to (pi...

    Text Solution

    |

  10. If velocity of a particle is given by v= (2t+3) m//s then average velo...

    Text Solution

    |

  11. Angle of elevation of top of building is 30^(@) from place A and beco...

    Text Solution

    |

  12. If Electric-current 'i' time (t) graph shown in figure. The average cu...

    Text Solution

    |

  13. A man travels one-third part of his total distance with speed v(1) and...

    Text Solution

    |

  14. The position 'x' of a particle moving along x-axis at any instant t re...

    Text Solution

    |

  15. The position of particle 'x' with respect to time at any instant 't' a...

    Text Solution

    |

  16. For an object starting from rest with uniform acceleration which of th...

    Text Solution

    |

  17. The slope of the tangent to the curve y=ln(cosx)" at "x=(3pi)/(4)" i...

    Text Solution

    |

  18. A particle moves along the x-axis such that its co-ordinate (x) varies...

    Text Solution

    |

  19. If y= sin x+cos x then (d^(2)y)/(dx^(2)) is :-

    Text Solution

    |

  20. If velocity v varies with time t as v=2t^(2), then the plot between v ...

    Text Solution

    |