Home
Class 12
MATHS
If A = [a(ij)] is a 2 xx2 matrix such th...

If `A = [a_(ij)]` is a `2 xx2` matrix such that `a_(ij)=i+2j`, then A will be

A

`[[1,3],[2,4]]`

B

`[[2,4],[3,5]]`

C

`[[3,5],[4,6]]`

D

none of these.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

If A=[a_(ij)] is a 2xx2 matrix such that a_(ij)=i+2j then A will be___

If A=[a_(ij)] is a 3xx2 matrix whose elements are given by a_(ij)=3i-2j , then A will be__

A=[a_(ij)]_(mxxn) is a square matrix, if

Let A=[a_("ij")] be 3xx3 matrix and B=[b_("ij")] be 3xx3 matrix such that b_("ij") is the sum of the elements of i^(th) row of A except a_("ij") . If det, (A)=19 , then the value of det. (B) is ________ .

Let A=[a_("ij")] be 3xx3 matrix and B=[b_("ij")] be 3xx3 matrix such that b_("ij") is the sum of the elements of i^(th) row of A except a_("ij") . If det, (A)=19 , then the value of det. (B) is ________ .

If A=[a_(ij)] is a care 2xx2 matrix whose elements are a_(ij)=(1)/(2) (i+2j)^(2) , then A will be____

If A=[a_(ij)] is a 2xx3 matrix whose elements are given by a_(ij)=(1)/(2) |3i-4j|, then A will be ___

Consider an arbitarary 3xx3 non-singular matrix A[a_("ij")] . A matrix B=[b_("ij")] is formed such that b_("ij") is the sum of all the elements except a_("ij") in the ith row of A. Answer the following questions : If there exists a matrix X with constant elemts such that AX=B , then X is

Consider a matrix A=[a_("ij")] of order 3xx3 such that a_("ij")=(k)^(i+j) where k in I . Match List I with List II and select the correct answer using the codes given below the lists.

If A=[a_("ij")]_(4xx4) , such that a_("ij")={(2",","when "i=j),(0",","when "i ne j):} , then {("det (adj (adj A))")/(7)} is (where {*} represents fractional part function)

UNITED BOOK HOUSE-SET 14-EXERCISE
  1. The mapping f:A rarr B is invertible if it is

    Text Solution

    |

  2. If sec^(-1)x = cosec^(-1)y state which of the following is the value o...

    Text Solution

    |

  3. If A = [a(ij)] is a 2 xx2 matrix such that a(ij)=i+2j, then A will be

    Text Solution

    |

  4. The greatest integer fuction f(x) = [x] is

    Text Solution

    |

  5. The value of int e^(5logx)dx is

    Text Solution

    |

  6. The slope of the tangent to the curve xy=c^2 at (ct,c/t)is

    Text Solution

    |

  7. hati + 2 hatj and -hati +mhatj are given as collinear vectors, then th...

    Text Solution

    |

  8. The line joining the points (1,1,2) and (3,-2,1)meets the plane 3x + 2...

    Text Solution

    |

  9. If the odds in favour of an event are 9:4, then its probability of occ...

    Text Solution

    |

  10. The S.D. of a binomial distribution with parameteres n and p is

    Text Solution

    |

  11. Let S = N xx Nand ast is a binary operation on S defined by (a,b)^**(c...

    Text Solution

    |

  12. Prove that, 2 sin^(-1)x = sin^(-1) (2x sqrt (1-x^2))

    Text Solution

    |

  13. prove without expanding, |[(a-b),1,a],[b-c,1,b],[c-a,1,c]|=|[a,1,b],[b...

    Text Solution

    |

  14. If two matrices A and B of orders 2 xxm and 3xxn respectively are conf...

    Text Solution

    |

  15. Evaluate:underset(xrarr0)lim log(1 + alphax)/(sin betax)

    Text Solution

    |

  16. If y = logxtanx, find (dy)/(dx).

    Text Solution

    |

  17. overset(pi//2)underset(-pi//2)int |sin x|dx =

    Text Solution

    |

  18. Form the diffential equation of family of parabolas having vertex at t...

    Text Solution

    |

  19. If f(x) = (x-1)e^x + 1, show that f(x) is positive for all positive va...

    Text Solution

    |

  20. Using direction ratios show that the points (2,6,3),(1,2,7) and (3,10,...

    Text Solution

    |