Home
Class 12
MATHS
Let g (x) be a cubic polnomial having lo...

Let `g (x)` be a cubic polnomial having local maximum at `x=-1` and g '(x) has a local minimum at `x =1, If g (-1) =10 g, (3) =- 22,` then

A

perpendicular distance between its two horizontal tangents is 12

B

perpendicular distance betweent its two horizontal tangents is 32

C

`g (x)=0` has atleast one real root lying in interval `(-2,0)`

D

`g (x) =0, ` has 3 distinict real roots

Text Solution

Verified by Experts

The correct Answer is:
B, D
Promotional Banner

Topper's Solved these Questions

  • APPLICATION OF DERIVATIVES

    VK JAISWAL ENGLISH|Exercise EXERCISE (COMPREHENSION TYPE PROBLEMS)|15 Videos
  • APPLICATION OF DERIVATIVES

    VK JAISWAL ENGLISH|Exercise EXERCISE (MATCHING TYPE PROBLEMS)|5 Videos
  • APPLICATION OF DERIVATIVES

    VK JAISWAL ENGLISH|Exercise EXERCISE (SUBJECTIVE TYPE PROBLEMS)|22 Videos
  • AREA UNDER CURVES

    VK JAISWAL ENGLISH|Exercise EXERCISE (SUBJECTIVE TYPE PROBLEMS)|8 Videos

Similar Questions

Explore conceptually related problems

Let f(x) be a cubic polynomial which has local maximum at x=-1 \ and \ f(x) has a local minimum at x=1. if f(-1)=10 \ and \ f(3)=-22 , then one fourth of the distance between its two horizontal tangents is ____________

Let p(x) be a real polynomial of least degree which has a local maximum at x=1 and a local minimum at x=3. If p(1)=6a n dp(3)=2, then p^(prime)(0) is_____

Let p(x) be a real polynomial of least degree which has a local maximum at x=1 and a local minimum at x=3. If p(1)=6a n dp(3)=2, then p^(prime)(0) is_____

If f(x) is a cubic polynomil which as local maximum at x=-1 . If f(2)=18,f(1)=-1 and f'(x) has minimum at x=0 then

let f(x)=(x^2-1)^n (x^2+x-1) then f(x) has local minimum at x=1 when

Let f(x)=sinx-x" on"[0,pi//2] find local maximum and local minimum.

Let f(x)=x^(3) find the point at which f(x) assumes local maximum and local minimum.

Let g(x) be a polynomial function satisfying g(x).g(y) = g(x) + g(y) + g(xy) -2 for all x, y in R and g(1) != 1 . If g(3) = 10 then g(5) equals

Let f(x)=x^(3)-3x^(2)+6 find the point at which f(x) assumes local maximum and local minimum.

Find the points of maximum ( local maximum ) and minimum ( local minimum ) of the function f(x)=x^(3)-3x^(2)-9x ?

VK JAISWAL ENGLISH-APPLICATION OF DERIVATIVES -EXERCISE (ONE OR MORE THAN ANSWER IS/ARE CORRECT )
  1. Let f : [-3, 4] to R such that f ''(x) gt 0 for all x in [-,4], then w...

    Text Solution

    |

  2. Let f (x) be twice differentialbe function such that f'' (x) gt 0 in [...

    Text Solution

    |

  3. Let g (x) be a cubic polnomial having local maximum at x=-1 and g '(x)...

    Text Solution

    |

  4. Let S be the set of real values of parameter lambda for which the eq...

    Text Solution

    |

  5. The function f (x) =1+ x ln (x+ sqrt(1+ x ^(2)))-sqrt(1- x^(2)) is:

    Text Solution

    |

  6. Let m and n be positive integers and x,y gt 0 and x+y =k, where k is c...

    Text Solution

    |

  7. The staright line which is both tangent and normal to the curve x = 3t...

    Text Solution

    |

  8. A curve is such that the ratio of the subnormal at any point to the su...

    Text Solution

    |

  9. A probola of the form y = ax ^(2) +bx +x (a gt 0) intersects the graph...

    Text Solution

    |

  10. Gradient of the line passing through the point (2,8) and touching the ...

    Text Solution

    |

  11. The equation x + cos x=a has exactly one positive root, then:

    Text Solution

    |

  12. Given that f (x) is a non-constant linear function. Then the curves :

    Text Solution

    |

  13. d (x) = int (0) ^(x) e ^(t ^(3)) (t ^(2) -1) (t+1) ^(2011) at (x gt 0)...

    Text Solution

    |

  14. Let f(x)=sinx+a x+bdot Then which of the following is/are true? (a) f(...

    Text Solution

    |

  15. Which of the following graphs represent function whose derivatives hav...

    Text Solution

    |

  16. Consider f (x)= sin ^(5) x-1, x in [0, (pi)/(2)], which of the followi...

    Text Solution

    |

  17. Let f (x)= [{:(x ^(2alpha+1)ln x ,,, x gt0),(0 ,,, x =0):} If f (x) sa...

    Text Solution

    |

  18. Which of the following is/are true for the function f(x)= int (0) ^(x)...

    Text Solution

    |

  19. Let F (x) = (f (x ))^(2) + (f' (x ))^(2), F (0) =6, whtere f (x) is a ...

    Text Solution

    |

  20. Let f(x) = {{:( x^(3) + x^(2) - 10 x ,, -1 le x lt 0) , (sin x ,, 0 le...

    Text Solution

    |