Home
Class 12
MATHS
Show that x/((1+x))<1n(1+x) for x>0...

Show that `x/((1+x))<1n(1+x)` for `x>0`

Text Solution

Verified by Experts

Let `f(x) = In (1+x)-(x)/(1+x)`
`therefore f(x) =(1)/(1+x)-(1+x-x)/(1+x)^(2)=(x)/(1+x)^(2)gt0`
Promotional Banner

Topper's Solved these Questions

  • MONOTONICITY AND MAXIMA MINIMA OF FUNCTIONS

    CENGAGE PUBLICATION|Exercise Concept Application Exercise 6.3|5 Videos
  • MONOTONICITY AND MAXIMA MINIMA OF FUNCTIONS

    CENGAGE PUBLICATION|Exercise Concept Application Exercise 6.4|17 Videos
  • MONOTONICITY AND MAXIMA MINIMA OF FUNCTIONS

    CENGAGE PUBLICATION|Exercise Concept Application Exercise 6.1|10 Videos
  • METHODS OF DIFFERENTIATION

    CENGAGE PUBLICATION|Exercise Multiple Correct Answer Type|7 Videos
  • MONOTONOCITY AND NAXINA-MINIMA OF FUNCTIONS

    CENGAGE PUBLICATION|Exercise Comprehension Type|6 Videos

Similar Questions

Explore conceptually related problems

Show that x/(1+x)ltlog(1+x)ltxforallxgt0 .

If (x+4)y=x , then show that x(dy)/(dx)+y(y-1)=0 .

If f(x+y)=f(x)f(y) for all x, y and f(x)=1+xg(x) , where lim_(xto0)g(x)=1 . Show that f'(x)=f(x) .

If y= sin^(-1)x , show that (1-x^(2)) (d^(2)y)/(dx^(2))-x(dy)/(dx) =0 .

If xgt0 , then show that log(1+x)gt(x)/(1+x) .

If f(x)= 1/x (x!=0) ,Show that f'(1)-f'(-1)=0.

If x gt 0 , show that, log (1+x) lt x

If x gt 0 , show that, x^(2) gt (1+x) [log (1+x)]^(2)

answer any three questions: 3.if x>0, then show that log(1+x) > x/(1+x).

If x+y+z=0 then show that abs((1,1,1),(x,y,z),(x^3,y^3,z^3)) = 0.