Home
Class 12
MATHS
Let f(x) =x^(2)-3x+2 g(x)=f(|x|) h(x...

Let `f(x) =x^(2)-3x+2`
`g(x)=f(|x|)`
`h(x)=|g(x)|`
are three functions. The complete set of values of x, for which the equation `h(x) + g(x) =0` is satisfied, is

A

`x in [1,2]`

B

`x in [-2,-1]uu[1,2]`

C

`x in [-2,-1]`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B

`h(x)+g(x)=0` is satisfied
if `x in [-2,-1]uu[1,2]`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Let f(x) = x^(2) - 5x + 6, g(x) = f(|x|), h(x) = |g(x)| The set of values of x such that equation g(x) + |g(x)| = 0 is satisfied contains

Let f(x) = e^(x) - x and g (x) = x^(2) - x, AA x in R . Then the set of all x in R where the function h(x) = (f o g) (x) in increasing is :

Let f(x)= (2x)/(2x^2+5x+2) and g(x)=1/(x+1) . Find the set of real values of x for which f(x) gt g(x) .

Consider f, g and h be three real valued function defined on R. Let f(x)=sin3x+cosx,g(x)=cos3x+sinx and h(x)=f^(2)(x)+g^(2)(x). Then, The length of a longest interval in which the function g=h(x) is increasing, is

Let f(x) = [x] , g(x)= |x| and f{g(x)} = h(x) ,where [.] is the greatest integer function . Then h(-1) is

Let f(x)=x, g(x)=1//x and h(x)=f(x) g(x). Then, h(x)=1, if

Let f(x)=x^(3)+3x+2 and g(x) is inverse function of f(x) then the value of g'(6) is

ALLEN-TEST PAPERS-part-2 Mathematics
  1. The equations of the transverse and conjugate axes of a hyperbola are...

    Text Solution

    |

  2. The locus of the midde points ofchords of hyperbola 3x^2-2y^2+4x -6y=0...

    Text Solution

    |

  3. Let f(x) =x^(2)-3x+2 g(x)=f(|x|) h(x)=|g(x)| are three functions...

    Text Solution

    |

  4. vec(a) "and" vec(b) are two given mutually perpendicular vectors such...

    Text Solution

    |

  5. Find the least value of k such that the equation (ln x) + k = e^(x-k) ...

    Text Solution

    |

  6. Volume of tetrahedron formed by the planes x+y=0, y+z=0, z+x=0,x+y+z-1...

    Text Solution

    |

  7. If f' ((x)/(y)), f(x)/(y))=(x^(2)+y^(2))/(xy) AA x,y in R^(+) and f(1)...

    Text Solution

    |

  8. Range of the function f defined by (x) =[(1)/(sin{x})] (where [.] an...

    Text Solution

    |

  9. The value of sqrt3cot20^(@)-4cos20^(@) is

    Text Solution

    |

  10. Which of the following function is surjective but not injective?

    Text Solution

    |

  11. f:RrarrR is a function satisfying f(x+5)gef(x)+5 and f(x+1)lef(x)+1. ...

    Text Solution

    |

  12. If f(x)=((1-tanx)/(1+sinx))^(cosec x) is to be made continuous at x=0,...

    Text Solution

    |

  13. If a(1) is the greatest value of f(x) , where f(x) =((1)/(2+[sinx])) (...

    Text Solution

    |

  14. The value of f(0), so that the function f(x)=((27-2x)^(1//3)-3)/(9-3...

    Text Solution

    |

  15. Let f:NrarrN be a function such x-f(x)=19[(x)/(19)]-90[(f(x))/(90)],AA...

    Text Solution

    |

  16. Range of sin^(-1)((x^(2)+1)/(x^(2)+2)) is

    Text Solution

    |

  17. Let f:[-(pi)/(3),(2pi)/(3)]rarr[0,4] be a function defined as f(x) as...

    Text Solution

    |

  18. If vec(alpha), vec(beta),vec(gamma) are three non-collinear unit vecto...

    Text Solution

    |

  19. If the angle between the vectors vec(a)=hat(i)+(cos x)hat(j)+hat(k) a...

    Text Solution

    |

  20. Find the slope of a common tangent to the ellipse (x^2)/(a^2)+(y^2)/(b...

    Text Solution

    |