Home
Class 12
MATHS
Let A=[[2,2],[9,4]] and I=[[1,0],[0,1]] ...

Let A=[[2,2],[9,4]]` and `I=[[1,0],[0,1]]` then value of `10 A^(-1)` is-

A

`6I-A`

B

`A-4I`

C

`A-6I`

D

`4I-A`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • JEE MAIN

    JEE MAINS PREVIOUS YEAR|Exercise QUESTION|1 Videos
  • JEE MAIN

    JEE MAINS PREVIOUS YEAR|Exercise MATHEMATICS|125 Videos
  • INVERSE TRIGONOMETRIC FUNCTIONS

    JEE MAINS PREVIOUS YEAR|Exercise All Questions|3 Videos
  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise Mathematic section B|10 Videos

Similar Questions

Explore conceptually related problems

If I=[[1,0],[0,1]] , then I^4=

If A= [[a,b],[c,d]] and I= [[1,0],[0,1]] then A^(2)-(a+d)A=

Let matrix A=[[1,0,0],[1,0,1],[0,1,0]] then the value of |A^(2012)-I| is equal to

If A=[[0,-tan(theta/2)],[tan(theta/2),0]](theta!=npi,n in Z),B=[[costheta,-sintheta],[sintheta,costheta]] and I=[[1,0],[0,1]], then the value of (2I)/(costheta+1) is equal to

If A=[[2,0,1],[2,1,3],[1,-1,0]] , then find value of A^(2)-5A+6I

If A=[{:(1,0),(0,1):}] . Then the value of A^(4) is :

If A=[[1,0,0],[0,1,0],[0,0,1]] then value of |A+A'| is 1)2 2)8 3)4 4)0

If a^(2)+a+1=0 , then the value of a^(9) is

JEE MAINS PREVIOUS YEAR-JEE MAIN-MATH
  1. It the 10^(th) term of an A. P. is 1/20 and its 20^(th) term is 1/10, ...

    Text Solution

    |

  2. Which of the following is tautology

    Text Solution

    |

  3. Let A=[[2,2],[9,4]] and I=[[1,0],[0,1]] then value of 10 A^(-1) is-

    Text Solution

    |

  4. Let alpha =(-1+isqrt3)/(2). If a=(1+alpha) sum(k=0)^(100) alpha^(2...

    Text Solution

    |

  5. lambda x + 2y + 2z = 5, 2lambda x + 3y + 5z = 8, 4x + lambda y + 6z =...

    Text Solution

    |

  6. Let veca=hati-2hatj+hatkand vecb=hati-hatj+hatk be two vectors. If vec...

    Text Solution

    |

  7. Let f(x) = (x[x])/(x^2+1) : (1, 3) rarr R then range of f(x) is (where...

    Text Solution

    |

  8. lim(xto0) (int(0)^(x)tsin(10t)dt)/(x) is equal to :

    Text Solution

    |

  9. If y = mx + c is a tangent to the circle (x – 3)^2 + y^2 = 1 and also ...

    Text Solution

    |

  10. Normal at (2, 2) to curve x^2 + 2xy – 3y^2 = 0 is L. Then perpendicula...

    Text Solution

    |

  11. Let A and B two events such that the probgability that exactly one of ...

    Text Solution

    |

  12. The differential equation of the family of curves, x^(2)=4b(y+b),b in ...

    Text Solution

    |

  13. Let P be the set of points (x, y) such that x^2 lt y lt – 2x + 3. Then...

    Text Solution

    |

  14. The mirror image of the point (1,2,3) in plane is (-7/3,-4/3, -1/3) . ...

    Text Solution

    |

  15. Mean and variance of 20 observation are 10 and 4. It was found, that i...

    Text Solution

    |

  16. Let coefficient of x^4 and x^2 in the expansion of (x+sqrt(x^2-1))^6+(...

    Text Solution

    |

  17. Solution set of 3^x (3^x –1) + 2 = |3^x –1| + |3^x – 2| contains

    Text Solution

    |

  18. If I= int(1)^(2)(dx)/(sqrt(2x^3-9x^2+12x+4)), then

    Text Solution

    |

  19. The number of four letter words that can be made from the letters of w...

    Text Solution

    |

  20. Let f(x) is a three degree polynomial for which f ' (–1) = 0, f '' (1)...

    Text Solution

    |