Home
Class 14
MATHS
What are the values of x\ and\ y that sa...

What are the values of `x\ and\ y` that satisfy the equation`2^(0.7x)*3^(-1.25y)=(8sqrt(6))/(27)?` a. `x=2. 5 , y=6` b. `x=3,\ y=5` c. `x=3,\ y=4` d. `x=5,\ y=2`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • STOCKS AND SHARES

    RS AGGARWAL|Exercise All Questions|42 Videos

  • TABULATION

    RS AGGARWAL|Exercise All Questions|25 Videos

Similar Questions

Explore conceptually related problems

Find the values of x and y which satisfy the equations: y+4x=9 and 3y+2x=5

Find the values of x and y satisfying the equation: 2[[1,3],[0,x]]+[[y,0],[1,2]]=[[5,6],[1,8]]

The values of x, y, z for the equations 5x-y+4z=5, 2x+3y+5z=2, 5x-2y+6z=1 are

For what values of x and y such that matrices A and B are equal 7A=[[2x+1,3y0,y^(2)-5y]],B=[[x+3,y^(2)+20,-6]]

2x+3y=5 4x-5y=6

The value of (x , y) if 5^(x) + 3^(y) = 8,5^(x-1) + 3^(y-1) = 2 is :

4x-2y=3 6x-3y=5

Let real numbers x and y satisfy the equations x^(3)-3x^(2)+5x=1 and y^(3)-3y^(2)+5y=5 respectively then the value of x+y is equal to

For what values of x and y are the following matrices equal ? A=[(2x+1,3y),(0,y^(2)-5y)], B=[(x+3,y^(2)+2),(0,-6)]

RS AGGARWAL-SURDS AND INDICES-All Questions
  1. If x^y=y^x, then (x/y)^(x//y) is equal to a. x^(y//x) b. x^(x/y-1) c. ...

    Text Solution

    |

  2. If 4^(x+y)=1\ and \ 4^(x-y)=4, then the values of x and y respectively...

    Text Solution

    |

  3. If 2^(2x-1)+4^x=2^(x-1/2)+2^(x+1/2), then x equals a. 1/2 b. 2/3 ...

    Text Solution

    |

  4. If 3^(2x-y)=3^(x+y)=sqrt27 , the value of y is a. 1/2 b. 3/4 c. 1/4 d....

    Text Solution

    |

  5. If 3^x=5^y=45^z , then a. 2/z=1/y-1/x b. 2/y=1/x-1/z c. 2/x=1/z-1/y d....

    Text Solution

    |

  6. Given 2^x=8^(y+1)\ and\ 9^y=3^(x-9) , then the value of x+y is a. 18 b...

    Text Solution

    |

  7. What are the values of x\ and\ y that satisfy the equation2^(0.7x)*3^(...

    Text Solution

    |

  8. Let r be the result of doubling both the base and the exponent of a^b ...

    Text Solution

    |

  9. Which of the following is the greatest? a. sqrt(2) b. root(3)3 c. root...

    Text Solution

    |

  10. The greatest of sqrt(2),root(6)3,root(3)4,root(4)5 is a. sqrt(2) b. ro...

    Text Solution

    |

  11. The largest number in the sequence 1,\ 2^(1/2),\ 3^(1/3),\ 4^(1/4),\.....

    Text Solution

    |

  12. If x=5+2sqrt(6), then (x-1)/sqrt(x) is equal to a. sqrt(2) b. sqrt(3) ...

    Text Solution

    |

  13. If x^(1//3)+y^(1//3)=z^(1//3), then {(x+y-z)^3+27 x y z} equals a. 0 b...

    Text Solution

    |

  14. If x = 2 + 2^(1/3) + 2^(2/3) then value of x^3 - 6x^2 + 6x –2 is

    Text Solution

    |

  15. Find the value of (-2)^5xx(2)^(-5)xx(3)^3 a. -108 b. 27 c. -27 d. (2)^...

    Text Solution

    |

  16. The quotient when 10^(100) is divided by 5^(75) is a. 2^25 xx10^(75) b...

    Text Solution

    |

  17. The exponential form of sqrt(sqrt(2)xxsqrt(3)) is a. 6 b. 6^(1//2) c....

    Text Solution

    |

  18. 21^?xx21^(6. 5)=21^(12. 4) 18. 9 b. 4. 4 c. 5. 9 d. 13. 4

    Text Solution

    |

  19. (5.4-:3xx16-:2)/(18-:5xx6-:3) a. 2 b. 4 c. 6 d. 8

    Text Solution

    |

  20. (32xx10^(-5))^(2)xx64-:(2^16xx10^(-4))=10^? a. 6 b. 10 c. -8 d. -6

    Text Solution

    |