Home
Class 11
MATHS
If f(x)=x|x|,then the value of f'(x) is...

If f(x)=x|x|,then the value of f'(x) is

A

a)`+-1/2`

B

b)`+-1`

C

c)v|x|

D

d)2|x|.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPERS-SET 15

    UNITED BOOK HOUSE|Exercise EXERCISE|50 Videos
  • MODEL QUESTION PAPERS-SET 3

    UNITED BOOK HOUSE|Exercise EXERCISE|48 Videos

Similar Questions

Explore conceptually related problems

IF f(x)=x|x|,then the value of f'(-1)is

If f(x) = x|x| , then the value of f'(-1) is -

If 2f ((1)/(x)) +f(x) =3x, then the value of f (2) is-

If for all values of x and y , f(x+y) =f(x) f(y) and f(5) =2, f'(0)=3, then the value of f'(5) is-

If function f satisfies the relation f(x)*f^(prime)(-x)=f(-x)*f^(prime)(x) for all x ,and f(0)=3, and if f(3)=3, then the value of f(-3) is ______________

If f(x)=x^2-3x+4, then the value of x which satisfy the relation f(x) = f(2x+1) are___

If f(x) is a differentiable function for all x gt 0 and lim_(y to x)(y^(2)f(x)-x^(2)f(y))/(y-x)=2 , then the value of f'(x) is -

If 2f((1)/(x))+f(x)=3x , then the value of f(2) is -

If f(x)=log(cosx), then the value of f''(x) is-

If f(x)=log("tan"(x)/(2)) , then the value of f'(x) is -

UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 2-EXERCISE
  1. The equation of circle which touches x axis at origin and radius is r ...

    Text Solution

    |

  2. The value of lim(xrarroo)a^xsin(b/(a to the powerx)),(a,b>1)is

    Text Solution

    |

  3. If f(x)=x|x|,then the value of f'(x) is

    Text Solution

    |

  4. How many numbers of five digits can be formed with the digits 0,1,2,3,...

    Text Solution

    |

  5. The A.M of 1,2,3,4,…..100 is

    Text Solution

    |

  6. If P={x:x=4n+1,nle5and n in N}and Q ={3n:nle8and n in N},find the set ...

    Text Solution

    |

  7. If mRn=[(m,n):m-n is divisible by 5}is the relation with N set,find (3...

    Text Solution

    |

  8. Find the maximum value of 1/2sin^2theta+1/3cos^2theta

    Text Solution

    |

  9. Show that tan8alpha-tan5alpha-tan3alpha=tan8alphatan5alphatan3alpha

    Text Solution

    |

  10. Show that (x+yw+zw^2)^2+(xw^2+y+zw)^2+(xw+yw^2+z)^2=0,where w is an cu...

    Text Solution

    |

  11. What is the permutations of the letters in the word CAMBRIDGE when M,R...

    Text Solution

    |

  12. Which term of the expansion of (2x^2-x^-1)^12is the term independent o...

    Text Solution

    |

  13. Find the least value of a when a+b=4 and 2a+3ble25

    Text Solution

    |

  14. Find the perpendicular distance from (2,3,4) to x- axis and z- axis.

    Text Solution

    |

  15. Convert the straight line sqrt3x+y+14=0 into normal form.

    Text Solution

    |

  16. Evaluate :lim(xrarra)(root(3)(x)-root(3)(a))/(x-a)

    Text Solution

    |

  17. IS the derivative of the function f(x)=|x| at x=0.possible?

    Text Solution

    |

  18. In a frequancy distribution,if the mean = 35 & median = 33, then find ...

    Text Solution

    |

  19. A box contains 6 white balls and 4 black balls, A ball is drawn at ran...

    Text Solution

    |

  20. In three sets P,Q,R if Pcup R=Pcup Qand Pcap Q=PcapR,then show that Q=...

    Text Solution

    |