Home
Class 12
MATHS
Let A=[[3,1],[-1,2]] find A^-1...

Let `A=[[3,1],[-1,2]]`
find `A^-1`

Promotional Banner

Topper's Solved these Questions

  • MATRICES

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|128 Videos

  • RELATIONS AND FUNCTIONS

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|86 Videos

Similar Questions

Explore conceptually related problems

Let A=[[3,1],[-1,2]] Find A^2

If A=[[3,1],[-1,2]] then Find A^2

Consider the matrix A=[[3,1],[-1,2]] Find A^2

Let A=[[1,2,3],[3,1,2]] F i nd 3A

Let A=[[3,1],[-1,2]] Show that A^2-5A+7I=0

Let A=[[3,1],[-1,2]] Solve the following equation using matrix : 3x+y=1 , -x+2y=2 .

Let A=[[1,2,3],[3,1,2]] and B=[[-3,1,0],[1,3,-2]] Evaluate 3A-B

Let A=[[2,1,3],[4,1,0]] and B=[[1,-1],[0,2],[5,0]] Find AB

Let A=[[2,1,3],[4,1,0]] and B=[[1,-1],[0,2],[5,0]] Find A^T and B^T

Let A=[[1,2,3],[3,1,2]] and B=[[-3,1,0],[1,3,-2]] Which of the following is the order of the matrix A+B ?

A N EXCEL PUBLICATION-PROBABILITY-QUESTION BANK
  1. Consider the following probability distribution of a random variable X...

    Text Solution

    |

  2. If A is a 2xx2 matrix and absA =1, then abs(2A) is

    Text Solution

    |

  3. Let A=[[3,1],[-1,2]] find A^-1

    Text Solution

    |

  4. sin^-1[sin((7pi)/6)] is equal to --

    Text Solution

    |

  5. Using the above result prove that tan^-1(frac(1)(2))+tan^-1(frac(1)(...

    Text Solution

    |

  6. If A^T=[[-2,3],[1,2]] and B^T=[[-1,0],[1,2]] then find (A+2B)^T

    Text Solution

    |

  7. If A and B are symmetric matrices of the same order, then prove that (...

    Text Solution

    |

  8. Express A=[[1,7],[2,9]] as a sum of a symmetric and skew-symmetric m...

    Text Solution

    |

  9. The derivative of 2^(sinx) is

    Text Solution

    |

  10. Find dy/dx if x^y = y^x

    Text Solution

    |

  11. If y=ae^(5x)+be^(-5x), show that (d^2y)/(dx^2)-25y=0

    Text Solution

    |

  12. int1/cos^2xdx= a)sec^2x+C b)tan^2x+C c)secx+C d)tanx+C

    Text Solution

    |

  13. Find intxtan^-1xdx.

    Text Solution

    |

  14. Consider the vectors veca=hati-hatj+3hatk and vecb=3hati-7hatj+hatk ...

    Text Solution

    |

  15. Consider the vectors veca=hati-hatj+3hatk and vecb=3hati-7hatj+hatk ...

    Text Solution

    |

  16. Consider the vectors veca=hati-hatj+3hatk and vecb=3hati-7hatj+hatk Fi...

    Text Solution

    |

  17. Consider the vectors veca=2hati-3hatj+hatk Find abs(veca)

    Text Solution

    |

  18. Consider the vectors veca=2hati-3hatj+hatk Find lamda if veca is per...

    Text Solution

    |

  19. Consider the vectors veca=2hati-3hatj+hatk. Find a vector parallel t...

    Text Solution

    |

  20. Find the relationship between p and q so that the function f(x) = {...

    Text Solution

    |