Home
Class 12
MATHS
Let f(0)=0 and f'(0)=1. For a positive i...

Let `f(0)=0` and `f'(0)=1`. For a positive integral `k` show that `lim_(x->o) 1/x(f(x)+f(x/2)+....f(x/k))=1+1/2+1/3+...+1/k`

Promotional Banner

Topper's Solved these Questions

  • APPLICATION OF DERIVATIVE

    BANSAL|Exercise All Questions|376 Videos
  • INTEGRALS

    BANSAL|Exercise All Questions|111 Videos

Similar Questions

Explore conceptually related problems

Let f(0)=0 and f'(0)=1. For a positive integral k show that lim_(x rarr o)(1)/(x)(f(x)+f((x)/(2))+....f((x)/(k)))=1+(1)/(2)+(1)/(3)+...+(1)/(k)

Let f(x)=x sin x - (1-cosx) . The smallest positive integer k such that lim_(x rarr0)(f(x))/(x^(k))!=0 is

Let f(x) be defined for all x in R such that lim_(xrarr0) [f(x)+log(1-(1)/(e^(f(x))))-log(f(x))]=0 . Then f(0) is

If f'(x)=k,k!=0, then the value of lim_(x rarr0)(2f(x)-3f(2x)+f(4x))/(x^(2)) is

If f(x) be a differentiable function for all positive numbers such that f(x.y)=f(x)+f(y) and f(e)=1 then lim_(x rarr0)(f(x+1))/(2x)

If f(x)=det[[sin x,cos x,tan xx^(3),x^(2),x2x,1,1]] then show that lim_(x rarr0)(f(x))/(x^(2))=1

Let f:(0,1) in (0,1) be a differenttiable function such that f(x)ne 0 for all x in (0,1) and f((1)/(2))=(sqrt(3))/(2) . Suppose for all x, lim_(x to x)(int_(0)^(1) sqrt(1(f(s))^(2))dxint_(0)^(x) sqrt(1(f(s))^(2))ds)/(f(t)-f(x))=f(x) Then, the value of f((1)/(4)) belongs to

Let f(x) be a polynomial of least degree such that lim_(x rarr0)(1+(x^(4)+f(x^(2)))/(x^(3)))^(1/x)=e^(3), then write the value of f(3)

Let f:RtoR be such that f(1)=3 and f'(1)=6 . Then lim_(xto0)[(f(1+x))/(f(1))]^(1//x) equals

BANSAL-CONTINUITY AND DIFFERENTIABILITY-All Questions
  1. If the function f(x) defined as f(x)= -x^2/x, x<=0 and f(x)=x^nsin(1/x...

    Text Solution

    |

  2. If the function f:[1,oo)to[1,oo) is defined by f(x)=2^(x(x-1)) then f^...

    Text Solution

    |

  3. Let f(0)=0 and f'(0)=1. For a positive integral k show that lim(x->o) ...

    Text Solution

    |

  4. Let f(x) = (xe)^(1/|x|+1/x); x != 0, f(0) = 0, test the continuity & ...

    Text Solution

    |

  5. If f(x)= ax^2-b, |x|<1 and f(x)=-1/|x|, |x|>=1 is derivable at x=1 th...

    Text Solution

    |

  6. Let f(x) be difined in the interval [-2, 2] such that f(x)={{:(-1"...

    Text Solution

    |

  7. Discuss the continuity and differentiability in 0,2] of f(x)={|2x-3|...

    Text Solution

    |

  8. Let a1 and a2 be two values of a for which f(x)= x*{ln(1+x)+ln(1-x)}/(...

    Text Solution

    |

  9. Discuss the continuity & the derivability of 'f' where f(x)= degree ...

    Text Solution

    |

  10. Consider the function f(x)=[x^2|cospi/(2x)|\ if\ x!=0 0,\ \ \ \ \ \ ...

    Text Solution

    |

  11. A derivable function f : R^(+) rarr R satisfies the condition f(x) - f...

    Text Solution

    |

  12. If f(x) = {{:(x - 3",",x lt 0),(x^(2)-3x + 2",",x ge 0):}"and let" g(x...

    Text Solution

    |

  13. The integer ' n ' for which (lim)(xvec0)((cos x-1)(cos x-e^x))/(x^n) i...

    Text Solution

    |

  14. The domain of the derivative of the function f(x)={t a n^(-1)x ,if|x|l...

    Text Solution

    |

  15. Let f: Rvec be such that f(!)=3a n df^(prime)(1)=6. Then ("lim")(xvec...

    Text Solution

    |

  16. Q. f={(x+a if x<0), (x-11 if x>=0) g(x)={(x+1 if x<0),(x-1)^2 if x...

    Text Solution

    |

  17. If (lim)(x->0)(sin(n x)[(a-n)n x-t a n x])/(x^2)=n (n >0) then the val...

    Text Solution

    |

  18. If a function f: [-2a, 2a] -> R is an odd function such that, f(x) = f...

    Text Solution

    |

  19. The function given by y=||x|-1| is differentiable for all real n...

    Text Solution

    |

  20. If |f(x1) - f(x2)| le (x1 - x2)^(2), AA x1 , x2 in R. Find the equatio...

    Text Solution

    |