Home
Class 12
MATHS
For the equation :x^2+18 x+30=2sqrt(x^2+...

For the equation :`x^2+18 x+30=2sqrt(x^2+18 x+45)dot` a. product of real root of the equation is 20 b. sum of real root of the equation is-18 c. product of real root of the equation is-20 d. sum of real root of the equation is 18

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

For the equation: x^(2)+18x+30=2sqrt(x^(2)+18x+45) a. product of real root of the equation is 20b . sum of real real root the equation is-18c. product of real root of the equation is 20d . sum of real root of the equation is 18

If the equation x^(2)-kx+1=0 has no real roots then

Number of real roots of the equation +x-3|+2|x|=5 is

The number of real root of the equation e^(x-1)+x-2=0 , is

If the equation x^(2)+5kx+16=0 has no real roots then

The number of real roots of the equation |2-|1-|x|||=1 is

The ratio of the sum and product of the roots of the equation 7x^(2)-12x+18=0 is

The number of real roots of the equation x^2-3 modx +2=0 is

RESONANCE DPP-JEE MAINS-All Questions
  1. If log15=aa n dlog75=b ,t h e n(log)(75)45 is: (3b-a)/a b. (b-3a)/a c....

    Text Solution

    |

  2. Let N=(4^5+4^5+4^5+4^5)/(3^5+3^5+3^5)dot(6^5+6^5+6^5+6^5+6^5+6^5)/(2^5...

    Text Solution

    |

  3. For the equation :x^2+18 x+30=2sqrt(x^2+18 x+45)dot a. product of r...

    Text Solution

    |

  4. ((4i^3-i)/(2i+1))^2 can be expressed in a+i b as 3+4i b. 3-4i c. 4+3i ...

    Text Solution

    |

  5. The real values of xa n dy for which the following equation is satisfi...

    Text Solution

    |

  6. If (x^2+x)+i ya n d(-x-1)-i(x+2y) are conjugate of each other, then re...

    Text Solution

    |

  7. 2+3/(x+1)>2/x

    Text Solution

    |

  8. (x^2-1)/(2x+5)<3

    Text Solution

    |

  9. If ABCD is a cyclic quadrilateral then find the value of sinA+sinB-sin...

    Text Solution

    |

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

    Text Solution

    |

  11. (x^2-1)/(x^2+x+1)<1

    Text Solution

    |

  12. If A=[91,3,9,27),(3,9,27,1),(9,27,1,3),(27,1,3,9)] then det A= (A) 0 (...

    Text Solution

    |

  13. Value of (1-(cos61^0)/(cos1^0))*(1-(cos62^0)/(cos2^0))*(1-(cos63^0)/(...

    Text Solution

    |

  14. The number of solutions of the system of equations "Re(z^(2))=0, |z|=2...

    Text Solution

    |

  15. If a^2x^4+b^2y^4=c^6, then the maximum value of x y is (a)(c^2)/(sq...

    Text Solution

    |

  16. The maximum value of f(x) = 2bx^2 - x^4 -3b is g(b), where b gt 0. If ...

    Text Solution

    |

  17. If the sum of the first n natural numbers is 1/5 times the sum of the ...

    Text Solution

    |

  18. The range of the function, f(x)= (1+sec^-1x) (1 + cos^-1 x) is

    Text Solution

    |

  19. यदि y= (1+(1)/(x) )^(x) + x^(1+(1)/(x)) तो (dy)/(dx) का मान ज्ञात की...

    Text Solution

    |

  20. The differential equation for the family of curves y = c\ sinx can be ...

    Text Solution

    |