Home
Class 11
MATHS
If f(x)=x^2-3x and g(x)=x+2 find (f+g)...

If `f(x)=x^2-3x` and `g(x)=x+2` find
`(f+g)(x)`,`(f-g)(x)` and `(fg)(x)`

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER MARCH 20

    MAXIMUM PUBLICATION|Exercise EXAMPLE|36 Videos

  • SEQUENCE AND SERIES

    MAXIMUM PUBLICATION|Exercise EXAMPLE|111 Videos

Similar Questions

Explore conceptually related problems

If f(x)=x^3+5x and g(x)=2x+1 ,find (f+g)(2) and (fg)(1) .

If f(x)=8x^3 and g(x)=x^(1/3) , find g(f(x)) and f(g(x))

If f(x)=sinx,g(x)=x^2,x in R , then find (fog)(x)

If f(x)=x+1 and g(x)=2x , then f{g(x)} is equal to

If f (x) = x^3 + 1 and g (x) = x + 1 , find f + g , f - g , af (a in R) , fg , 1/f and f/g

If f(x)=x^2+x-1 and g(x)=4 x-7 . be real functions then find: i) (f+g)(2) ii) (f-g)(7) (iii) (fg) (- 5 ) iv) (f/g)(4)

If f(x)=ax+b and g(x)=cx+d , then f[g(x)]-g[f(x)] is equivalent to a) f(a)-g(c) b) f(c)+g(a) c) f(d)+g(b) d) f(d)-g(b)

If f(x) and g(x) are continuous in [0,a] satisfying f(x)=f(a-x) and g(x)+g(a-x)=a then int_(0)^(a)f(x)g(x)dx= a) aint_(0)^(a//2)f(x)dx b) a/2int_(0)^(a)f(x)dx c) -aint_(0)^(a)f(x)dx d)None of these

Let f(x)=sqrtx and g(x)=x be two functions defined over the set of non- negative real numbers. Find (f+g)(x) , (f-g)(x) , (fg)(x) and (f/g)(x)

Let f(x)=x^2 and g(x)=2x+1 be two functions defined over the set of non- negative real numbers. Find (f+g)(x) , (f-g)(x) , (fg)(x) and (f/g)(x)

MAXIMUM PUBLICATION-Relations and Functions-EXAMPLE
  1. Let A={1,2,3,……,13,14},R is the relation on A defined by R={(x,y):3x-y...

    Text Solution

    |

  2. Write the domain and range of the relation R={(2,5),(3,10),(4,17),...

    Text Solution

    |

  3. If f(x)=x^2-3x and g(x)=x+2 find (f+g)(x),(f-g)(x) and (fg)(x)

    Text Solution

    |

  4. If P={m,n},Q={n,m} , state whether the following is TRUE or FALSE ...

    Text Solution

    |

  5. Write the relation R={(x,x^3), x is a prime number less than 10}, in r...

    Text Solution

    |

  6. Let A={1,2,3,4} B={1,5,9,11,15,16} and f={(1,5),(2,9),(3,1),(4,5),(2,1...

    Text Solution

    |

  7. Let R be the set of Reals.Define a function f:RrarrR by f(x)=2x^2-1 ...

    Text Solution

    |

  8. Let R be the set of Reals.Define a function f:RrarrR by f(x)=2x^2-1 ...

    Text Solution

    |

  9. Let R be the set of Reals.Define a function f:RrarrR by f(x)=2x^2-1 ...

    Text Solution

    |

  10. If A={-1,1}, find AxxA.

    Text Solution

    |

  11. Consider the relation R defined by R={(x,x+1): x in {-1,1}} Write R in...

    Text Solution

    |

  12. Draw the graph of the function. y=x,x in R

    Text Solution

    |

  13. Let A={1,2,3,4,5,6} be a set. Defined a relation R from A to A by R={(...

    Text Solution

    |

  14. Let A={1,2,3,4,5,6} be a set. Defined a relation R from A to A by R={(...

    Text Solution

    |

  15. Let A={1,2,3,4,5,6} be a set. Defined a relation R from A to A by R={(...

    Text Solution

    |

  16. Find the domain of the function f(x)=(x^2+3x+5)/(x^2-5x+4)

    Text Solution

    |

  17. Sketch the graph of the function f(x)=abs[x+1]

    Text Solution

    |

  18. Match the following

    Text Solution

    |

  19. A={1,2,3,……,14}. R is a relation from A to A defined by R={(x,y): 3x-y...

    Text Solution

    |

  20. If (x+1,y-2)=(3,1) , write the values of x and y.

    Text Solution

    |