Home
Class 12
MATHS
If A= |(x,1,1),(1,x,1),(1,1,x)| and B = ...

If `A= |(x,1,1),(1,x,1),(1,1,x)| and B = |(x,1),(1,x)|, " then " (dA)/(dx) =`

A

`3B+1`

B

`3B`

C

`-3B`

D

`1-3B`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    MODERN PUBLICATION|Exercise QUESTIONS FROM KARNATAKA CET & COMED|13 Videos

  • MOCK TEST PAPER -II

    MODERN PUBLICATION|Exercise SELECT CORRECT ANSWER|60 Videos

Similar Questions

Explore conceptually related problems

If P= |(x,1),(1,x)| and Q= |(x,1,1),(1,x,1),(1,1,x)| " then " (dQ)/(dx)= _______

If P = |(x,1),(1,x)|and Q = |(x,1,1),(1,x,1),(1,1,x)| then (dQ)/(dx) = ______

If y = (1+ 1/x)^(x) , then dy/dx =

If y=(1+x)(1+x^(2))(1+x^(4)) , then (dy)/(dx) at x=1 is

If y=(1+x)(1+x^(2))(1+x^(4)) , then (dy)/(dx) at x=1 is :

The roots of the equation |(x-1,1,1),(1,x-1,1),(1,1,x-1)| = 0 are

If y = (1+x^(2)) tan^(-1) x -x , then dy/dx =

If y=sec^(-1)((x+1)/(x-1))+sin^(-1)((x-1)/(x+1)) , then (dy)/(dx) is

If y=1+(1)/(x)+(1)/(x^(2))+(1)/(x^(3))+… to oo with |x|gt 1 then (dy)/(dx)=

MODERN PUBLICATION-MOCK TEST PAPER -I-SELECT THE CORRECT ANSWER
  1. Solve for X :

    Text Solution

    |

  2. The constant term of the polynormial {|:(x+3,x,x+2),(x,x+1,x-1),(...

    Text Solution

    |

  3. If A= |(x,1,1),(1,x,1),(1,1,x)| and B = |(x,1),(1,x)|, " then " (dA)/(...

    Text Solution

    |

  4. If P = |(x,1),(1,x)|and Q = |(x,1,1),(1,x,1),(1,1,x)| then (dQ)/(dx) =

    Text Solution

    |

  5. If A is 3xx 3 non- singular matrix and if |A |=3 then |(2A)^(-1) |=

    Text Solution

    |

  6. If A=[(3,2),(1,1)] then A^(2)+xA+yI=0 for (x,y) =

    Text Solution

    |

  7. If | adj . A | =25 [A " is of order 3 ] then " | A^(-1) |=

    Text Solution

    |

  8. If f(x ) = {(3 sin pi x)/(5x ) underset( x=0)underset( x ne 0) is con...

    Text Solution

    |

  9. If the fucntion f (x ) satisfies underset( x to 1) (lim ) . (f (x )...

    Text Solution

    |

  10. If the three function f(x),g(x) and h(x) are such that h(x)=f(x)g(x) a...

    Text Solution

    |

  11. the derivative of e^(ax) cos bx with respect to x is re^(ax) cos...

    Text Solution

    |

  12. If x=a cos ^(3) theta and y = a sin^(3) theta then (dy)/( dx) =

    Text Solution

    |

  13. If y= tan^(-1) sqrt(x^(2)-1) then the ratio (d^(2)y)/(dx^(2)) : (dy)/...

    Text Solution

    |

  14. If sqrt(r ) =ae^(thetacotalpha) where a and alpha are real numbers the...

    Text Solution

    |

  15. P is the point of contact of the tangent from the orign to the c...

    Text Solution

    |

  16. The lengths of the sub-tangent , ordinate and the sub-normal are in

    Text Solution

    |

  17. the set of real values of x for which f(x ) = (x ) /( log x) is i...

    Text Solution

    |

  18. A wire of lenggth 20 cm is bent in the form of a sector of a circle. T...

    Text Solution

    |

  19. if int f (x ) sin x cos x dx = (1)/(2(b^(2) -a^(2)) log f(x ) + c w...

    Text Solution

    |

  20. int (sin^(-1))/(sqrt(1+x)) dx=

    Text Solution

    |