Home
Class 12
MATHS
If f(x)=x^2+2b x+2c^2 and g(x)= -x^2-...

If `f(x)=x^2+2b x+2c^2 and g(x)= -x^2-2c x+b^2` are such that min `f(x)> m a x g(x)` , then the relation between `b and c` is

A

No real value of b and c

B

`0 lt c lt b sqrt(2) `

C

`|c| lt |b| sqrt(2) `

D

`|c| gt |b|sqrt(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS & INEQUATIONS

    VMC MODULES ENGLISH|Exercise Numerical value type of JEE Main|15 Videos
  • QUADRATIC EQUATIONS & INEQUATIONS

    VMC MODULES ENGLISH|Exercise JEE Main ( Archive )|20 Videos
  • QUADRATIC EQUATIONS & INEQUATIONS

    VMC MODULES ENGLISH|Exercise JEE Advance ( Archive )|20 Videos
  • PROPERTIES OF TRIANGLE

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|50 Videos
  • QUIZ

    VMC MODULES ENGLISH|Exercise MATHEMATICS|30 Videos

Similar Questions

Explore conceptually related problems

If f(x)=A x^2+B x+C then find f '(x)

f(x)=min({x,x^(2)} and g(x)=max{x,x^(2)}

If f(x)=a x^2+b x+c ,g(x)=-a x^2+b x+c ,where ac !=0, then prove that f(x)g(x)=0 has at least two real roots.

Let f(x)=x^2+xg^2(1)+g^''(2) and g(x)=f(1).x^2+xf'(x)+f''(x), then find f(x) and g(x).

If f(x)=x^2+x+3/4 and g(x)=x^2+a x+1 be two real functions, then the range of a for which g(f(x))=0 has no real solution is (A) (-oo,-2) (B) (-2,2) (C) (-2,oo) (D) (2,oo)

Let f(x) = max{|x^2 - 2 |x||,|x|} and g(x) = min{|x^2 - 2|x||, |x|} then

If f"(x) > 0 and f(1) = 0 such that g(x) = f(cot^2x + 2cotx + 2) where 0 < x < pi , then g'(x) decreasing in (a, b). where a + b + pi/4 …

If f(x) = x^(2) and g(x) = (1)/(x^(3)) . Then the value of (f(x)+g(x))/(f(-x)-g(-x)) at x = 2 is

If f(x)=(a x^2+b)^3, then find the function g such that f(g(x))=g(f(x))dot

Statement-1: If a, b, c, A, B, C are real numbers such that a lt b lt c , then f(x) = (x-a)(x-b)(x-c) -A^(2)(x-a)-B^(2)(x-b)-C^(2)(x-c) has exactly one real root. Statement-2: If f(x) is a real polynomical and x_(1), x_(2) in R such that f(x_(1)) f(x_(2)) lt 0 , then f(x) has at least one real root between x_(1) and x_(2)

VMC MODULES ENGLISH-QUADRATIC EQUATIONS & INEQUATIONS -LEVEL -2
  1. Find the range of f(x)=(x^(2)+x+1)/(x^(2)+x-1)

    Text Solution

    |

  2. If alpha, beta are the roots fo the equation lamda(x^(2)-x)+x+55=0. If...

    Text Solution

    |

  3. If f(x)=x^2+2b x+2c^2 and g(x)= -x^2-2c x+b^2 are such that min f(x...

    Text Solution

    |

  4. For (|x-1|)/(x+2) lt 1 , solution set of x is given by :

    Text Solution

    |

  5. The number of pairs (a,b) for which a(x+1)^2+b(x^(2)-3x-2)+x+1=0 AA x ...

    Text Solution

    |

  6. The quadratic equation ((x+b)(x+c))/((b-a)(c-a))+((x+c)(x+a))/((c-b)(...

    Text Solution

    |

  7. If both roots of the equation x^2+x+a=0 exceeds 'a' then

    Text Solution

    |

  8. Find the values of p for which both the roots of the equation 4x^2 - 2...

    Text Solution

    |

  9. If roots of x^2-(a-3)x+a=0 are such that at least one of them is great...

    Text Solution

    |

  10. The set off all values of m for which both the roots of the equation x...

    Text Solution

    |

  11. The equation x^(2) + ax + b^(2) = 0 has two roots each of which exceed...

    Text Solution

    |

  12. The real values of 'a' for which the quadratic equation 2x^2 - (a^3 + ...

    Text Solution

    |

  13. if both root of equation x^2-6ax+2-2a+9a^2 = 0 exceeds 3 . then show t...

    Text Solution

    |

  14. If b gt a, then the equation (x-a)(x-b)-1=0 has (a) Both roots in (a...

    Text Solution

    |

  15. which of the following graph represents the expression f(x) = ax^2 + b...

    Text Solution

    |

  16. If alpha, beta are the roots of the equation (x-a)(x-b)=c,c!=0. Find t...

    Text Solution

    |

  17. Let alpha ,beta " be the roots of " ax^(2) +bx + c= 0, gamma, detla ...

    Text Solution

    |

  18. If b1. b2=2(c1+c2) then at least one of the equation x^2+b1x+c1=0 and ...

    Text Solution

    |

  19. If alpha , beta are roots of ax^(3) +bx +c=0 then the equation ax^...

    Text Solution

    |

  20. If a gt 1 , then the roots of the equation (1-a)x^(2)+3ax-1=0 are

    Text Solution

    |