Home
Class 12
MATHS
If |(2x,5),(8,x)|=|(6,-2),(7,3)| then th...

If `|(2x,5),(8,x)|=|(6,-2),(7,3)|` then the value of `x` is

Promotional Banner

Topper's Solved these Questions

  • EXAM REVISION SERIES

    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise All Questions|19 Videos

Similar Questions

Explore conceptually related problems

If |[2x,5], [8,x]|=|[6,-2], [7, 3]| , write the value of xdot

If |(x, x-y),(2x+y,7)|=|(3, 1),( 8, 7)| , then find the value of y

If the mean of x_(1),x_(2) is 7.5 and the mean of x_(1),x_(2),x_(3) is 8, then the value of x_(3) is

[{:(2x+y,4x),(5x-7,4x):}]=[{:(7,7y-13),(y,x+6):}] then the value of x,y is

If |[2x,5], [8,x]|=|[6,-2], [7, 3]| , then x= (a) 3 (b) +-3 (c) +-6 (d) 6

If [(2,3),(5,7)] [(1,-3),(-2,4)]=[(-4,6),(-9,x)], write the value of x

Find the value of 3x^2-5x+8 for x=3

If f(x) = int(5x^(8)+7x^(6))/((x^(2)+1+2x^(7))^(2))dx, (x ge 0) , and f(0) = 0, then the value of f(1) is

If [2x+y,4x,5x-7 4x]=[7 7y-13 y x+6] , then the value of x+y is x=3 , y=1 (b) x=2 , y=3 (c) x=2 , y=4 (d) x=3 , y=3

XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
  1. If 2[3 4 5x]+[1y0 1]=[7 0 10 5], find (x-y)dot

    Text Solution

    |

  2. If sin(sin^(-1)""(1)/(5)+cos^(-1)x)=1, then find the value of x.

    Text Solution

    |

  3. If |(2x,5),(8,x)|=|(6,-2),(7,3)| then the value of x is

    Text Solution

    |

  4. Solve the following matrix equation for x : ,[x1][1 0-2 0]-Odot

    Text Solution

    |

  5. Evaluate : int0^3(dx)/(9+x^2)

    Text Solution

    |

  6. Write the antidervative of (3sqrt(x)+1/(sqrt(x)))dot

    Text Solution

    |

  7. If vec a and vec b are two unit vectors such that vec a+ vec b is a...

    Text Solution

    |

  8. Find the projection of the vector hat i+3 hat j+7 hat k on the vector...

    Text Solution

    |

  9. Show that the lines (x+1)/3=(y+3)/5=(z+5)/7 and (x-2)/1=(y-4)/3=(z-6)/...

    Text Solution

    |

  10. Find the equations of the tangent and normal to the curve x=asin^3t...

    Text Solution

    |

  11. underset(pi/12)overset(pi/2)int(dx)/(1+sqrt(cotx))

    Text Solution

    |

  12. Show that the semi-vertical angle of the cone of the maximum volume an...

    Text Solution

    |

  13. cot^(-1)((sqrt(1+sinx)+sqrt(1-sinx))/(sqrt(1+sinx)-sqrt(1-sinx)))=(x)/...

    Text Solution

    |

  14. सिद्ध कीजिए कि 2 tan^(-1)""(1)/(5)+sec^(-1)""(5sqrt(2))/(7)+2tan^...

    Text Solution

    |

  15. Prove that, for any three vectors vec a , vec b , vec c [ vec a+ v...

    Text Solution

    |

  16. Vector vec a , vec b and vec c are such that vec a+ vec b+ vec c...

    Text Solution

    |

  17. The sum of the perimeters of a circle and a square is k , where k is s...

    Text Solution

    |

  18. Find the direction cosines of the line (x+2)/2=(2y-7)/6=(5-z)/6dot Als...

    Text Solution

    |

  19. Solve for x :2tan^(-1)(cosx)=tan^(-1)(2\ cos e c\ x)

    Text Solution

    |

  20. Using differentials, find the approximate value of (3. 968)^(3/2)

    Text Solution

    |