Home
Class 12
MATHS
if f(x)={:{(x^(2)-1",",,0 lt xlt 2),(2x+...

if `f(x)={:{(x^(2)-1",",,0 lt xlt 2),(2x+3",",,2le x lt 3):}`, then the quadratic equation whose roots are `lim_(xto2^(-))` f(x) and lim `(f_(x))_(xto2^(+))` is

A

`x^(2)-6x+9=0`

B

`x^(2)-7x+8=0`

C

`x^(2)-14x+49=0`

D

`x^(2)-10x+21=0`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • DIFFERENTIAL CALCULUS

    VMC MODULES ENGLISH|Exercise LEVEL -1|134 Videos
  • DIFFERENTIAL CALCULUS

    VMC MODULES ENGLISH|Exercise LEVEL 2|103 Videos
  • CONIC SECTIONS

    VMC MODULES ENGLISH|Exercise JEE ADVANCED ARCHIVE|76 Videos
  • DIFFERENTIAL CALCULUS 2

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|81 Videos

Similar Questions

Explore conceptually related problems

If f(x) ={ x^2-1, 0 lt x lt 2 , 2x+3 , 2 le x lt 3 then the quadratic equation whose roots are lim_(x->2^+)f(x) and lim_(x->2^-)f(x) is

If f(x)={:{(3x^2+12x-1"," -1le x le2),(37-x ","2 lt x le 3):} then

Let f (x)= {{:(x ^(2),0lt x lt2),(2x-3, 2 le x lt3),(x+2, x ge3):} then the tuue equations:

If f(x) = {{:( 3x ^(2) + 12 x - 1",", - 1 le x le 2), (37- x",", 2 lt x le 3):}, then

Let f(x)={{:(1+x",", 0 le x le 2),(3-x"," ,2 lt x le 3):} find (fof) (x).

Let f(x) ={:{(x, "for", 0 le x lt1),( 3-x,"for", 1 le x le2):} Then f(x) is

If f (x)= {{:(1+x, 0 le x le 2),( 3x-2, 2 lt x le 3):}, then f (f(x)) is not differentiable at:

Let f (x)= {{:(2-x"," , -3 le x le 0),( x-2"," , 0 lt x lt 4):} Then f ^(-1) (x) is discontinous at x=

Evaluate lim_(xto0^(-)) (x^(2)-3x+2)/(x^(3)-2x^(2)).

Evaluate x lim_(xto2) (x-2)/(log_(a)(x-1)).

VMC MODULES ENGLISH-DIFFERENTIAL CALCULUS-JEE Advanced (Archive)
  1. if f(x)={:{(x^(2)-1",",,0 lt xlt 2),(2x+3",",,2le x lt 3):}, then the ...

    Text Solution

    |

  2. Let g: R -> R be a differentiable function with g(0) = 0,,g'(1)!=0.Let...

    Text Solution

    |

  3. Let f(x)=sin((pi)/(6)sin((pi)/(2)sinx)) " for all "x in R and g(x)=(pi...

    Text Solution

    |

  4. Let f:R to R and h:R to R be differentiable functions such that f(x)=x...

    Text Solution

    |

  5. Let a , b in R and f:R to R be defined by f(x) =a cos (|x^(3)-x|)+...

    Text Solution

    |

  6. Let f:[-1/2,2] rarr R and g:[-1/2,2] rarr R be functions defined by f(...

    Text Solution

    |

  7. Let [x] be the greatest integer less than or equal to x . Then ,...

    Text Solution

    |

  8. Let f(x)=(1-x(1+|1-x|))/(|1-x|)cos((1)/(1-x))" for "x ne1. then

    Text Solution

    |

  9. Let f be two differentiable function satisfying f(1)=1,f(2)=4, f(3)=9,...

    Text Solution

    |

  10. If f''(x) =- f(x) and g(x) = f'(x) and F(x)=(f((x)/(2)))^(2)+(g((x)/(2...

    Text Solution

    |

  11. The value of lim(x->0)((sinx)^(1/x)+(1/x)^(sinx)) , where x >0, is (a)...

    Text Solution

    |

  12. underset(xrarr(pi)/(4))(lim)(int(2)^(sec^(2)x)f(t)dt)/(x^(2-)(pi^(2))/...

    Text Solution

    |

  13. (d^2x)/(dy^2) equals: ((d^2y)/(dx^2))^(-1) (b) -((d^2y)/(dx^2))^(-1)(...

    Text Solution

    |

  14. Let g(x) = log f(x), where f(x) is a twice differentiable positive fun...

    Text Solution

    |

  15. Let g(x)=((x-1)^(n))/(logcos^(m)(x-1)),0ltxlt2 m and n integers, m ne0...

    Text Solution

    |

  16. If underset(xto0)lim[1+xln(1+b^(2))]^(1//x)=2bsin^(2)theta,bgt0," and ...

    Text Solution

    |

  17. Let f(x) = {{:(x^(2)|"cos"(pi)/(x)|",",x ne 0","x in R),(0",",x = 0):}...

    Text Solution

    |

  18. If underset(xtooo)lim((x^(2)+x+1)/(x+1)-ax-b)=4, then

    Text Solution

    |

  19. Let alpha(a) and beta(a) be the roots of the equation ((1+a)^(1/3)-1)x...

    Text Solution

    |

  20. Check the differentiability if f(x) = min. {1, x^(2), x^(3)}.

    Text Solution

    |

  21. Let f(x) be a non-constant twice differentiable function defined on (-...

    Text Solution

    |