Home
Class 12
MATHS
Let f be a real function. Prove that f(x...

Let f be a real function. Prove that `f(x)-f(-x)` is an odd function and `f(x)+f(-x)` is an even function.

Promotional Banner

Topper's Solved these Questions

  • MATRICES DETERMINANTS PROBABILITY

    USHA PUBLICATION|Exercise EXERCISE|59 Videos
  • PRACTICE PAPER

    USHA PUBLICATION|Exercise PRACTICE PAPER|95 Videos

Similar Questions

Explore conceptually related problems

Let f be a real function. Show that h(x) =f(x)=f(-x) is always an even function and g(x) = f(x) -f(-x) is always an odd fuction.

Let f be an invertible function . Then prove that (f^(-1))^(-1) = f.

If f:R to R defined by f(x)=(3x+5)/(2) is an invertible function, then find f^(-1)(x) .

Let f : W rarr W be defined as f (x) = x -1 if x is odd and f(x) = x +1 if x is even then show that f is invertible. Find the inverse of f where W is the set of all whole numbers.

Show that the function f(x) = x^(3) - 6x^(2) + 12x - 18 is an increasing function on R.

For which value of x, the function f(x) = 5-6x is increasing.

Show that a function f:R to R given by f(x)=3x+5 is a bijective.

USHA PUBLICATION-MODEL QUESTION SET-MODEL QUESTION SET
  1. Prove that: cos^(-1)(12/13)+sin^(-1)(3/5)=sin^(-1)(56/65)

    Text Solution

    |

  2. Solve sin^(-1)(1-x)-2sin^(-1)x=frac[pi][2]

    Text Solution

    |

  3. Let f be a real function. Prove that f(x)-f(-x) is an odd function and...

    Text Solution

    |

  4. If A=[{:(3,1),(-1,2):}] then prove that A^(2)-5A+7I=O

    Text Solution

    |

  5. Express as a sum of a symmetric and a skew symmetric matrix: [[4,-3],[...

    Text Solution

    |

  6. If ABC is a triangle, then prove that abs[[tanA,1,1],[1,tanB,1],[1,1,...

    Text Solution

    |

  7. Evaluate abs[[1,a,bc],[1,b,ca],[1,c,ab]]-abs[[1,a,b^2],[1,b,b^2],[1,c,...

    Text Solution

    |

  8. Find the inverse of the matrix [[1,2],[3,4]]

    Text Solution

    |

  9. Find the number of critical points of f(x)=frac[abs(x-1)][x^2]

    Text Solution

    |

  10. If f(x)={(ax^2+b if x lt1),(1 if x=1),(2ax-b if xgt1):} is continuous...

    Text Solution

    |

  11. Find the equation of the tangent to the curve x = y^2-1 at the point w...

    Text Solution

    |

  12. If y=sin^(-1)(x^3), then find that dy/dx

    Text Solution

    |

  13. If y=e^(x^(e^(x^(e^x)))), then find dy/dx.

    Text Solution

    |

  14. Evaluate int0^2abs(x^2+2x-3)dx

    Text Solution

    |

  15. Find the area of the region bounded by the curve y=sin^(3)x and the st...

    Text Solution

    |

  16. intdx/(1+tanx)

    Text Solution

    |

  17. Evaluate inte^(tan-1)x((1+x+x^2)/(1+x^2))dx.

    Text Solution

    |

  18. Find the solution of the following differential equations: (4x+6y+5)dx...

    Text Solution

    |

  19. Let veca,vecb,vecc be three vectors such that veca+vecb+vecc=vec0 and ...

    Text Solution

    |

  20. Find the image of the point (2,-1,3) in the plane 3x-2y+z-9=0

    Text Solution

    |