Home
Class 12
MATHS
જો 2 [(5, x), (3, 4)] + [(0, 1), (1, y)]...

જો `2 [(5, x), (3, 4)] + [(0, 1), (1, y)] = [(10, 5), (7, 0)]` તો `x = …….` અને `y = ……`

A

`-2, 8`

B

`2, -8`

C

`2, 8`

D

`-2, -8`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 06

    VIRAJ PUBLICATION|Exercise PROBLEM|71 Videos
  • SAMPLE PAPER 08

    VIRAJ PUBLICATION|Exercise EXERCISE|68 Videos
VIRAJ PUBLICATION-SAMPLE PAPER 07-EXERCISE
  1. જો A = [(1, 0), (2 ,1)], B = [(1, 0), (-2, 1)] હોય, તો A^(2) + AB + 2B...

    Text Solution

    |

  2. જો A = [(2, 3), (-1, 2)] તો A^(2) - 4A = ……………….. .

    Text Solution

    |

  3. જો 2 [(5, x), (3, 4)] + [(0, 1), (1, y)] = [(10, 5), (7, 0)] તો x = ……...

    Text Solution

    |

  4. |(1+x, 1-x, 1-x),(1-x, 1+x, 1-x),(1-x, 1-x, 1+x)| = 0 નાં બીજ ...........

    Text Solution

    |

  5. |(x+3, x),(x+7, x+2)| = 0 તો x = …………… .

    Text Solution

    |

  6. |(1,2x,3x(x-1)),(x,x(x-1),x(x-1)(x-2)),(x+1,x(x+1),x(x-1)(x+1))| = ………...

    Text Solution

    |

  7. x = (e^(theta)+e^(-theta))/(2) y = (e^(theta)-e^(-theta))/(2) માટે (dy...

    Text Solution

    |

  8. જો x = at^(2), y = 2at તો (d^(2)y)/(dx^(2)) = ……………..

    Text Solution

    |

  9. f (x) = {((2x + 3)/(3x + 2)) , ((sin3x)/(2x)), ((3)/(2)):} {:(xgt0),(x...

    Text Solution

    |

  10. વિધેય f(x) = cot^(-1) x+x એ અંતરાલ ............... માં વધતું વિધેય છે.

    Text Solution

    |

  11. log(e) 4=1.3868 માટે log(e) 4.01 ની આસન્ન કિંમત ............... છે.

    Text Solution

    |

  12. y^(2) = x પરના જે બિંદુએ સ્પર્શક X-અક્ષની ધન દિશા સાથે (pi)/(4) માપનો ...

    Text Solution

    |

  13. xy=16 હોય, તો x+y નું ન્યૂનતમ મૂલ્ય ..................... છે.

    Text Solution

    |

  14. int (cos2x)/((sin x + cos x)^(2)) dx = …………..

    Text Solution

    |

  15. જો int f (x) dx = ((log x)^(5))/(5) + c લેતાં f (x) = ………………..

    Text Solution

    |

  16. int (e^(x))/(e^(2x) + e^(x) +1) dx = ………………… + c

    Text Solution

    |

  17. int e^(x) ((1+sin x)/(1+ cos x)) dx = ……………….. + c

    Text Solution

    |

  18. જો f (a + b - x) = f (x) તો int(a)^(b) x cdot f(x) dx = ……...

    Text Solution

    |

  19. int(sec^(-1)e)^(sec^(-1)2e) tan x dx = …………………. .

    Text Solution

    |

  20. int(0)^(1) xe^(x) dx = ……………….

    Text Solution

    |