Home
Class 12
MATHS
If the equation x^3+b x^2+c x+1=0,(b<c),...

If the equation `x^3+b x^2+c x+1=0,(b

A

`-pi/2`

B

`-pi`

C

`pi/2`

D

`pi`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETIC FUNCTIONS

    DISHA PUBLICATION|Exercise EXERCISE - 1: (CONCEPT BUILDER)|60 Videos

  • INTEGRALS

    DISHA PUBLICATION|Exercise EXERCISE-2 CONCEPT APPLICATOR|31 Videos

  • JEE MAIN - 2019 (HELD ON: 9TH APRIL 2019(MORNING SHIFT))

    DISHA PUBLICATION|Exercise MCQs|30 Videos

Similar Questions

Explore conceptually related problems

If a, b and c satisfy the equation x^(3)-3x^(2) + 2x+1 =0 then what is the value of (1)/(a)+(1)/(b)+(1)/(c ) ?

if a,b and c are the roots of the equation x^3+2x^2+1=0 , find |{:(a,b,x),(b,c,a),(c,a,b):}|

If a,b and c are the roots of the equation x^(3)+2x^(2)+1=0, find det[[a,b,cb,c,ac,a,b]]

Consider the equation x ^(3) -ax ^(2) +bx-c=0, where a,b,c are rational number, a ne 1. it is given that x _(1), x _(2) and x _(1)x_(2) are the real roots of the equation. Then x _(1) x _(2) ((a +1)/(b +c))=

If a, b, c are the roots of the equation x^3-12x^2+39x-21=0 then find the value of the determinant |[a, b-c, c+b] , [ a+c, b, c-a] , [a-b, b+a, c]|

If a and b are roots of the equation x^2+a x+b=0 , then a+b= (a) 1 (b) 2 (c) -2 (d) -1

If a,b are the roots of the equation x^(2)+x+1=0, thn a^(2)+b^(2)= a.1b.2c-1d.3

If x=1 and x=2 are solutions of the equation x^(3)+ax^(2)+bx+c=0 and a+b=1, then the value of b, is

DISHA PUBLICATION-INVERSE TRIGONOMETIC FUNCTIONS-EXERCISE - 2: (CONCEPT APPLICATOR)
  1. If x, y, z are in A.P. and tan^(-1) x, tan^(-1) y and tan^(-1)z are al...

    Text Solution

    |

  2. If cos^(-1)x+cos^(-1)y+cos^(-1)z=pi, then

    Text Solution

    |

  3. Q. the value of tan^-1(a/(b+c))+tan^-1(b/(c+a)), if /=90^@ in triangle...

    Text Solution

    |

  4. If 1/2"sin"^(-1)(2x)/(1+x^2)+1/2"cos"^(-1)(1-y^2)/(1+y^2)+1/3"tan"^(-1...

    Text Solution

    |

  5. If cos^(-1)sqrt(p)+cos^(-1)sqrt(1-p)+cos^(-1)sqrt(1-q)=(3pi)/(4)"than ...

    Text Solution

    |

  6. If A="tan"^(-1)((xsqrt3)/(2K-x)) and B="tan"^(-1)((2x-K)/(Ksqrt3)), th...

    Text Solution

    |

  7. If f(x)=cot^(-1) ((3x-x^3)/(1-3x^2)) and g(x)=cos^(-1)((1-x^2)/(1+x^2)...

    Text Solution

    |

  8. Find x satisfying [tan^(-1)x]+[cos^(-1)x]=2, where [] represents the g...

    Text Solution

    |

  9. Evaluate underset(xto-1^(+))lim(sqrt(pi)-sqrt(cos^(-1)x))/(sqrt(1+x)).

    Text Solution

    |

  10. The value of sin^(-1){cot(sin^(-1)(sqrt((2-sqrt3)/4)+cos^(-1)(sqrt(12)...

    Text Solution

    |

  11. The minimum integral value of alpha for which the quadratic equation (...

    Text Solution

    |

  12. If the equation x^3+b x^2+c x+1=0,(b<c), has only one real rootalpha ,...

    Text Solution

    |

  13. Total number of ordered pairs (x, y) satisfying |y| = cos x and y = s...

    Text Solution

    |

  14. The set of values of k for which x^2 - kx + sin^-1 (sin 4) > 0 for all...

    Text Solution

    |

  15. If sin^-1x+sin^-1y+sin^-1z=pi then x^4+y^4+z^4+4x^2y^2z^2=

    Text Solution

    |

  16. Find the value of tan^-1(1/2tan2A)+tan^-1(cotA)+tan^-1(cot^3A)

    Text Solution

    |

  17. Find the number of positive integral solution of the equation tan^(-1)...

    Text Solution

    |

  18. If cos^(-1)x//2+cos^(-1) y//3=theta," prove that "9x^(2)-12xy cos thet...

    Text Solution

    |

  19. If "sin"^(-1)x+"sin"^(-1)y=pi/2, then (1+x^4+y^4)/(x^2-x^2y^2+y^2) is ...

    Text Solution

    |

  20. If sin^(-1)(a-a^2/3+a^3/9-...)+cos^(-1)(1+b+b^2+...)=pi/2 then find a ...

    Text Solution

    |