Home
Class 12
MATHS
Let f (x)= [{:((x(3e^(1//x)+4))/(2 -e^(1...

Let `f (x)= [{:((x(3e^(1//x)+4))/(2 -e^(1//x)),,,( x ne 0)),(0 ,,, x=0):} x ne (1)/(ln 2)` which of the following statement (s) is/are correct ?

A

f (x) is continous `at x=0`

B

` f (x)` is non-dervable at `x=0`

C

`f'(0^(+))=-3`

D

`f '(0^(-))` does not exist

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
Promotional Banner

Topper's Solved these Questions

  • CONTINUITY, DIFFERENTIABILITY AND DIFFERENTIATION

    VK JAISWAL|Exercise EXERCISE (COMPREHENSION TYPE PROBLEMS)|32 Videos
  • CONTINUITY, DIFFERENTIABILITY AND DIFFERENTIATION

    VK JAISWAL|Exercise EXERCISE (MATCHING TYPE PROBLEMS)|1 Videos
  • CONTINUITY, DIFFERENTIABILITY AND DIFFERENTIATION

    VK JAISWAL|Exercise EXERCISE (SUBJECTIVE TYPE PROBLEMS)|23 Videos
  • COMPOUND ANGLES

    VK JAISWAL|Exercise Exercise-5 : Subjective Type Problems|31 Videos
  • DETERMINANTS

    VK JAISWAL|Exercise EXERCISE-4 : SUBJECTIVE TYPE PROBLEMS|11 Videos

Similar Questions

Explore conceptually related problems

f(x)={{:(e^(1//x)/(1+e^(1//x)),if x ne 0),(0,if x = 0):}at x = 0

f(x)={{:(e^(1//x)/(1+e^(1//x)),if x ne 0),(0,if x = 0):} at x = 0

If f(x)={(e^((1)/(x))/(1+e^((1)/(x)))",", x ne0),(0",",x=0):} , then

If f (x)= {{:((x-e ^(x)+1-(1-cos 2x))/(x ^(2)), x ne 0),(k,x=0):} is continous at x=0 then which of the following statement is false ?

If f(x)={{:((e^((2)/(x))-1)/(e^((2)/(x))+1),:,x ne 0),(0,:,x=0):} , then f(x) is

The function f(x)={{:(,(e^(1/x)-1)/(e^(1/x)+1),x ne 0),(,0,x=0):}

If f(x) = {{:(1/(1+e^(1//x)), x ne 0),(0,x=0):} then f(x) is

VK JAISWAL-CONTINUITY, DIFFERENTIABILITY AND DIFFERENTIATION-EXERCISE (ONE OR MORE THAN ONE ANSWER IS/ARE CORRECT)
  1. If f (x)= tan ^(-1) (sgn (x ^(2) -lamda x+1)) has exactly one point of...

    Text Solution

    |

  2. f (x)= {{:(2(x+1),,, x le -1),( sqrt(1- x^(2)),,, -1 lt x lt 1), (|||x...

    Text Solution

    |

  3. Let f (x)= [{:((x(3e^(1//x)+4))/(2 -e^(1//x)),,,( x ne 0)),(0 ,,, x=0)...

    Text Solution

    |

  4. Let |f (x)| le sin ^(2) x, AA x in R, then

    Text Solution

    |

  5. Let f (x)=[{:((a (1-x sin x)+ b cos x +5)/(x ^(2)),,, x lt 0), ((1+ ((...

    Text Solution

    |

  6. If f (x)=|||x|-2|+p| have more than 3 points non-derivability then the...

    Text Solution

    |

  7. Identify the options having correct statement:

    Text Solution

    |

  8. A twice differentiable function f(x)is defined for all real numbers an...

    Text Solution

    |

  9. If f(x) = |sinx|, then

    Text Solution

    |

  10. Let [.] represent the greatest integer function and f (x)=[tan^2 x] th...

    Text Solution

    |

  11. Let f be a differentiable function satisfying f'(x)=f' (-x) AA x in R....

    Text Solution

    |

  12. Let f :R to R be a function, such that |f(x)|le x ^(4n), n in N AA n i...

    Text Solution

    |

  13. Let f (x) =[x] and g (x) =0 when x is an integer and g (x) =x ^(2) whe...

    Text Solution

    |

  14. Let f:RtoR is given by f(x)={(p+qx+x^(2),xlt2),(2px+3qx^(2),xge2):} t...

    Text Solution

    |

  15. Let f (x) =|2x-9|+|2x+9|. Which of the following are true ?

    Text Solution

    |

  16. Let f (x)= max (x,x ^(2) x ^(3)) in -2 le x le 2. Then:

    Text Solution

    |

  17. Let f(x) be a differentiable function satisfying f(y)f(x/y)=f(x) AA, x...

    Text Solution

    |

  18. Let f(x) =(x^(2)-3x+ 2) (x ^(2) + 3x +2) and alpha, beta, gamma satisf...

    Text Solution

    |

  19. let the function f be defined by f (x)= {{:(p+ qx+ x^(2)"," , x lt 2),...

    Text Solution

    |

  20. If y =e ^(x sin (x ^(3)))+(tan x)^(x) then (dy)/(dx) may be equal to:

    Text Solution

    |