Home
Class 12
MATHS
If a+b+c=2,a^2+b^2+c^2=1a n da b c=3t h ...

If `a+b+c=2,a^2+b^2+c^2=1a n da b c=3t h e n1/a+1/b+1/c` is equal to a. 1/2 b. 2 c. 1 d. `0`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP|Exercise All Questions|15 Videos
  • MATRICES

    RESONANCE DPP|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

If a+b+c=2,a^(2)+b^(2)+c^(2)=1 and abc = 3 then 1/a+1/b+1/c is equal to

If a : b=3:4, b : c4:7, t h e n(a+b+c)/c is equal to 1 b. 2 c. 3 d. 7

If a :(b+c)=1:3 a n d c :(a+b)=5:7, t h e b :(a+c) is equal to 1:2 b. 1:3 c. 2:3 d. 2:1

If A : B=1/2:1/3n a d B : C=1/2:1/3, t h e n A : B : C is equal to 1:2:6 b. 3:2:6 c. 2:3:3 d. 9:6:4

If 2^(n+4)-2^(n+2)=3, then n is equal to a.0 b.2c.-2d.-1

If a = - 2 , b = -1 , then ( a^b - b^a ) is equal to ( a ) -1 ( b ) 0.5 ( c ) -2 ( d ) -1.5

Let C be incircle of A B Cdot If the tangents of lengths t_1,t_2a n dt_3 are drawn inside the given triangle parallel to sidese a , ba n dc , respectively, the (t_1)/a+(t_2)/b+(t_3)/c is equal to 0 (b) 1 (c) 2 (d) 3

If A=[[a+i b, c+i d],[-c+i d, a-i b]]a n da^2+b^2+c^2+d^2=1,t h e nA^(-1) is equal to a.[[a+i b,-c+i d],[-c+i d, a-i b]] b. [[a-i b,-c-i d],[-c-i d, a+i b]] c. [[a+i b,-c-i d],[-c+i d, a-i b]] d. none of these

If (a+b)/(c)=(b+c)/(a)=(c+a)/(b)=k, then k is equal to 0 b.1 c.2 d.a+b+c

RESONANCE DPP-JEE MAINS-All Questions
  1. IF (log)6(log)2[sqrt(4x+2)]+2sqrt(x)=0, then x= .

    Text Solution

    |

  2. Let N=((log)3 135)/((log)(15)3)-((log)3 5)/((log)(405)3) . Then N is a...

    Text Solution

    |

  3. If a+b+c=2,a^2+b^2+c^2=1a n da b c=3t h e n1/a+1/b+1/c is equal to a. ...

    Text Solution

    |

  4. Let the solution of the equation 5^(1+(log)4x)+5^(-1-1(log)4x)=(26)/5 ...

    Text Solution

    |

  5. Simplify: x/(x-y)-y/(x+y)-(2x y)/(x^2-y^2)

    Text Solution

    |

  6. If (log)(10)(1028)/(1024)=alphaa n d(log)(10)=beta, then the value of...

    Text Solution

    |

  7. Which is greater ? sqrt12 or root(3)3

    Text Solution

    |

  8. Find the largest number that will divide 398, 436 and 542 leaving r...

    Text Solution

    |

  9. Let S= set of point inside the sqare, T= set of points inside the tria...

    Text Solution

    |

  10. If R is a relation on the set A={1,2,3,4,5,6,7,8,9} given by x R y \ y...

    Text Solution

    |

  11. If x^2+p x+q=0 is the quadratic equation whose roots are a-2a n d b-2 ...

    Text Solution

    |

  12. The least integer k which makes the roots of the equation x^2+5x+k=0 i...

    Text Solution

    |

  13. The sum of infinite number of terms of a G.P. is 4 and the sum of thei...

    Text Solution

    |

  14. Draw Graph y=|x-1|+|x-4|+|x-7|

    Text Solution

    |

  15. Find the integral solutions of the equation 4(log)(x//2)(x)+2(log)(...

    Text Solution

    |

  16. Solve the equation for x : log4+(1+1/(2x))log3=log(root(x)3+27)

    Text Solution

    |

  17. The value of ' x ' satisfying the equation, 4^((log)9 3)+9^((log)2 4)=...

    Text Solution

    |

  18. If (log)3x=aa n d(log)7x=b , then which of the following is equal to ...

    Text Solution

    |

  19. The equation (log)2(2x^2)+(log)2xdotx^((log)x((log)2x+1))+1/2log4 2(x^...

    Text Solution

    |

  20. If log15=aa n dlog75=b ,t h e n(log)(75)45 is: (3b-a)/a b. (b-3a)/a c....

    Text Solution

    |