Home
Class 12
MATHS
Let f(x) and g(x) be real valued functio...

Let f(x) and g(x) be real valued functions such that f(x)g(x)=1, `AA x in R."If "f''(x) and g''(x)" exists"AA x in R and f'(x) and g'(x)`
are never zero, then prove that `(f''(x))/(f'(x))-(g''(x))/(g'(x))=(2f'(x))/(f(x))`

Text Solution

AI Generated Solution

To prove the equation \[ \frac{f''(x)}{f'(x)} - \frac{g''(x)}{g'(x)} = \frac{2f'(x)}{f(x)}, \] given that \( f(x)g(x) = 1 \) for all \( x \in \mathbb{R} \), we will follow these steps: ...
Promotional Banner

Topper's Solved these Questions

  • DIFFERENTIATION

    CENGAGE ENGLISH|Exercise Solved Examples|28 Videos
  • DIFFERENTIATION

    CENGAGE ENGLISH|Exercise Concept Application 3.1|1 Videos
  • DIFFERENTIAL EQUATIONS

    CENGAGE ENGLISH|Exercise Matrix Match Type|5 Videos
  • DOT PRODUCT

    CENGAGE ENGLISH|Exercise DPP 2.1|15 Videos

Similar Questions

Explore conceptually related problems

If g is inverse of f then prove that f''(g(x))=-g''(x)(f'(g(x)))^(3).

If g is inverse of f then prove that f''(g(x))=-g''(x)(f'(g(x)))^(3).

If f(x) and g(x) are two real functions such that f(x)+g(x)=e^(x) and f(x)-g(x)=e^(-x) , then

If f(x)=log_(e)x and g(x)=e^(x) , then prove that : f(g(x)}=g{f(x)}

Let f(x) be a function such that f(x), f'(x) and f''(x) are in G.P., then function f(x) is

Let f (x), g(x) be two real valued functions then the function h(x) =2 max {f(x)-g(x), 0} is equal to :

Let f(x)a n dg(x) be two function having finite nonzero third-order derivatives f'''(x) and g'''(x) for all x in R . If f(x).g(x)=1 for all x in R , then prove that (f''')/(f') - (g''')/(g') = 3((f'')/f - (g'')/g) .

Let f(x) be a function such that f(x).f(y)=f(x+y) , f(0)=1 , f(1)=4 . If 2g(x)=f(x).(1-g(x))

Let f(x) and g(x) be two real valued functions then |f(x) - g(x)| le |f(x)| + |g(x)| Let f(x) = x-3 and g(x) = 4-x, then The number of solution(s) of the above inequality for x lt 3 is