Home
Class 10
MATHS
If f(x)=2x^(2) and g(x)=(1)/(3x). Then f...

If `f(x)=2x^(2) and g(x)=(1)/(3x)`. Then fog is

A

`(3)/(2x^(2))`

B

`(2)/(3x^(3))`

C

`(2)/(9x^(2))`

D

`(1)/(x^(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NUMBER AND SEQUENCES

    SURA PUBLICATION|Exercise Unit test|12 Videos
  • RELATIONS AND FUNCTIONS

    SURA PUBLICATION|Exercise Unit Test|14 Videos

Similar Questions

Explore conceptually related problems

If f(x) = 2x^(3)+7x-5 and g(x) = f^(-1)(x) , then reciprocal of g^(')(4) is equal to

Let f be a differential function such that f(x)=f(2-x) and g(x)=f(1 +x) then (1) g(x) is an odd function (2) g(x) is an even function (3) graph of f(x) is symmetrical about the line x= 1 (4) f'(1)=0

If f (x) = 2x-3 and g(x)= x^(2) +x-2 then go f(x) is

If f(x)=2x+1 and g(x)=x/2 , then find (fog(x))-(gof(x))

If f(x)=3x-2 and g(x)=2x+a and if fog=gof , then find the value of a

If f(x)=2x-1, g(x)=(x+1)/(2) , show that fog=gof=x .

If f(x) =x^(2) -2,g (x) =2x+ 1 then f^(@) g (x)

Let f(x)=x^(2) and g(x)=2x+1 be two real functions. Find (f+g) (x), (f-g) (x), (fg) (x), (f/g) (x) .

If f(x)=2x+3, g(x)=1-2x and h(x) =3x . Prove that fo(goh)=(fog)oh .

SURA PUBLICATION-ONE MARK QUESTIONS SET -Multiple Choice Question
  1. If the radius of the base of a cone is tripled and the height is doubl...

    Text Solution

    |

  2. The probability of getting a job for a person is (x)/(3). If the proba...

    Text Solution

    |

  3. If f(x)=2x^(2) and g(x)=(1)/(3x). Then fog is

    Text Solution

    |

  4. If a function f: A to B is both one-one and onto then f is called a.

    Text Solution

    |

  5. The first term of an arithmetic progressions is unity and the common d...

    Text Solution

    |

  6. If 59equiv3 (mod 7) then find 368 equiv (mod 7).

    Text Solution

    |

  7. y^(2)+(1)/(y^(2)) is not equal to

    Text Solution

    |

  8. If alpha+ beta=-7 and alpha beta=10 then find the value of alpha-beta=...

    Text Solution

    |

  9. Which one of the following is true for any two square matrices A and B...

    Text Solution

    |

  10. The perimeters of two similar triangles triangleABC and trianglePQR ar...

    Text Solution

    |

  11. The slope of the line joining (12, 3), (4, a) is (1)/(8). The value of...

    Text Solution

    |

  12. If sintheta=costheta, then the value of 'theta' is .

    Text Solution

    |

  13. The electric pole subtends an angle of 30^(@) at a point on the same l...

    Text Solution

    |

  14. A spherical ball of radius r(1) units is melted to make 8 new identica...

    Text Solution

    |

  15. A solid sphere of radius x cm is melted and cast into a shape of a sol...

    Text Solution

    |

  16. The standard deviation of a data is 3 . If each value is multiplled by...

    Text Solution

    |

  17. Let f(x)=sqrt(1+x^(2)) then

    Text Solution

    |

  18. If f: A to B is a bijective function and if n(A)=5, then n(B) is equal...

    Text Solution

    |

  19. The sum of the exponents of the prime factors in the prime factorizati...

    Text Solution

    |

  20. If 1^(3)+2^(3)+3^(3)+….+n^(3)=36100 then find 1+2+3+..+n=.

    Text Solution

    |