Home
Class 14
MATHS
x"@"y=xy-1, if x gty =0," otherwise" ...

`x"@"y=xy-1, if x gty`
`=0," otherwise"`
and `x#y=(x+y)/(x-y) if x ge0, y ge 0`
`=1," otherwise."`
The value of `((4#2)"@"(9#(-1)))/((2"@"3)#(5"@"2)):`

A

1

B

-2

C

0

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELEMENTS OF ALGEBRA

    QUANTUM CAT|Exercise QUESTION BANK|196 Videos

  • GEOMETRY

    QUANTUM CAT|Exercise QUESTION BANK|547 Videos

Similar Questions

Explore conceptually related problems

y - 2x le 1, x + y le 2, x ge 0, y ge 0

2x + y ge 6, x + 2y ge 8, x ge 0, y ge 0

2x + y le 6, x + 2y le 8, x ge 0, y ge 0

3x + 4y le 60, x ge 2y , x ge1 , y ge 0

x-y le 2, x + y le 4 , x ge 0, y ge

Z = 2x + 3y x ge 0, y ge 0, 1 le x + 2y le10

Z = 3x + 5y x + 3y ge 3, x + y ge 2,x ge 0, y ge 0

x-2y le 2 , x +y le 3,-2x +y le 4, x ge 0,y ge 0

x + 2y le 3, 3x + 4y ge 12, x ge 0, y ge 1

QUANTUM CAT-FUNCTIONS AND GRAPHS-QUESTION BANK
  1. If p > 0, q< 0, then which of the following is correct?

    Text Solution

    |

  2. If f(x)=x^(3)+3x^(2)+3x, then f(x+1) is equal to

    Text Solution

    |

  3. x"@"y=xy-1, if x gty =0," otherwise" and x#y=(x+y)/(x-y) if x ge0,...

    Text Solution

    |

  4. The following functions are defined for any two distinct, non zero int...

    Text Solution

    |

  5. The following functions are defined for any two distinct, non zero int...

    Text Solution

    |

  6. If (p)rarr the least possible integer greater than or equal to p. g ...

    Text Solution

    |

  7. If 8-[7-{x-(4-7/2)}] = 5, then the value of x is:

    Text Solution

    |

  8. A jogger is running at a speed of 15 km/hr. In what time he will cross...

    Text Solution

    |

  9. a"@"b=(a)/(a+b) and" "b#a=(a+b)/(b) Which of the following...

    Text Solution

    |

  10. a"@"b=(a)/(a+b) and" "b#a=(a+b)/(b) Which of the following...

    Text Solution

    |

  11. The equation whose roots are 4 and 5, is

    Text Solution

    |

  12. The following operations are defined for any two real numbr p and q. ...

    Text Solution

    |

  13. a"@"b=(a+b)(ab+b) a#b=(a-b)(ab-b) aDeltab=(a"@"b)-(a#b) Find the...

    Text Solution

    |

  14. a"@"b=(a+b)(ab+b) a#b=(a-b)(ab-b) aDeltab=(a"@"b)-(a#b) Find the...

    Text Solution

    |

  15. a"@"b=|a-b| a**b=ab a#b=|a^(2)-b^(2)| aDeltab=a^(2)+b^(2) wher...

    Text Solution

    |

  16. a"@"b=|a-b| a**b=ab a#b=|a^(2)-b^(2)| aDeltab=a^(2)+b^(2) wher...

    Text Solution

    |

  17. A function f(x)=log(g(x)), where g(x) is any function of x. For what...

    Text Solution

    |

  18. A function f(x)=log(g(x)), where g(x) is any function of x. For what...

    Text Solution

    |

  19. A function f(x)=log(g(x)), where g(x) is any function of x. If g(x)=...

    Text Solution

    |

  20. If f(x)=2x+3 and g(x)=9x+6, then find g[f(x)]-f[g(x)]

    Text Solution

    |