Home
Class 9
MATHS
If f(x)=(a(x-b))/(a-b)+(b(x-a))/(b-a), t...

If `f(x)=(a(x-b))/(a-b)+(b(x-a))/(b-a)`, then prove that f(a) + f(b) = a + b.

Promotional Banner

Topper's Solved these Questions

  • POLYNOMIALS

    CALCUTTA BOOK HOUSE|Exercise EXERCISE-1.1|57 Videos
  • POLYNOMIALS

    CALCUTTA BOOK HOUSE|Exercise EXERCISE-1.2|45 Videos
  • LOGARITHM

    CALCUTTA BOOK HOUSE|Exercise Exercise - 7 (Long-answer type questions)|49 Videos
  • PROBABILITY

    CALCUTTA BOOK HOUSE|Exercise EXERCISE - 2|16 Videos

Similar Questions

Explore conceptually related problems

If f(x)=a(x-b)/(a-b)+b.(x-a)/(b-a) then show that f(a)+f(b)=f(a+b).

If f(x)=a.(x-b)/(a-b)+b.(x-a)/(b-a) , show that, " "f(a)+f(b)=f(a+b) .

If f(x)= ((a+x)/(b+x))^(a+b+2x) then prove that f'(0)= [2log(a/b)+(b^2-a^2)/(ab)](a/b)^(a+b)

Let f: RvecR ,f(x)=(x-a)/((x-b)(x-c)),b > cdot If f is onto, then prove that a in (b , c)dot

If y=f(x)=(ax-b)/(bx-a), prove that f(x).f(1/x) is independent of x.

If f(x)=(ax-b)/(bx-a) , then find the value of f(1/x) .

If f(x)=((a+x)/(b+x))^(a+b+2x) , prove that, f'(0) =[2"log"(a)/(b) +(b^(2)-a^(2))/(ab)]((a)/(b))^(a+b) .

Let f be a contiuous function on [a,b] . If F(x)=(int_(a)^(x)f(t)dt-int_(x)^(b)f(t)dt)(2x-(a+b)) , then prove that there exist some c epsilon(a,b) such that int_(a)^(c)f(t)dt-int_(c)^(b)f(t)dt=f(c)(a+b-2c)

CALCUTTA BOOK HOUSE-POLYNOMIALS-EXERCISE-1.4
  1. If f(x)=(a(x-b))/(a-b)+(b(x-a))/(b-a), then prove that f(a) + f(b) = a...

    Text Solution

    |

  2. If p(x) be a polynomial such that p(-a/b)=0, then one of the factor of...

    Text Solution

    |

  3. If the polynomial f(x)=2x^(3)+kx^(2)+11x+k+3 be divisible by (2x - 1),...

    Text Solution

    |

  4. If (x - a) be a factor of f(x), but is not a factor of g(x), where bot...

    Text Solution

    |

  5. If (x^(2)-1) be a factor of the polynomial f(x)=ax^(4)+bx^(3)+cx^(2)+d...

    Text Solution

    |

  6. (x + a) will be a factor of the polynomial p(x)=x^(n)+a^(n), when-

    Text Solution

    |

  7. If x be a factor of the polynomial f(x) = (x - a) (x + b) (x - c), the...

    Text Solution

    |

  8. If (x+sqrt11) be a factor of f(x)=x^(3)+k, then k =

    Text Solution

    |

  9. If (x^(2)+r) be a factor of the polynomial f(x)=x^(3)-rx^(2)+rx-r^(2),...

    Text Solution

    |

  10. If f(x)=2x^(3)+9x^(2)+x+k and g(x) = x -1 be two polynomials, then g(x...

    Text Solution

    |

  11. Which one of the followings is a factor of the polynomial p(x)=x^(4)-1...

    Text Solution

    |

  12. Find the value of a if (1 - 2x) is a factor of the polynomial (2x^(4)-...

    Text Solution

    |

  13. Find the value of k if (x - 2) is a factor of the polynomial (2x^(5)-6...

    Text Solution

    |

  14. If (x + 1) be a factor of the polynomial (x^(43)+kx+2), determine the ...

    Text Solution

    |

  15. If (x + 1) be a factor of the polynomial (x^(200)+2x^(201)+k), then de...

    Text Solution

    |

  16. If n be an odd negative integer, then prove that (x + 1) is a polynomi...

    Text Solution

    |

  17. Prove that the polynomial (x^(5)-y^(5)) is not divisible be (x + y).

    Text Solution

    |

  18. Is the polynomial (x^(101)+1) divisible by (x + 1) ? Give reasons in f...

    Text Solution

    |

  19. Examine whether (x + y) is a factor of the polynomial (x^(11)+y^(11)) ...

    Text Solution

    |

  20. If (x + 2y) be a factor of the polynomial (x^(2)+4xy+4y^(2)), find the...

    Text Solution

    |

  21. If (x-sqrt11) be a factor of the polynomial of f(x), but not a factor ...

    Text Solution

    |