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Mathematics - Vectors and Matrices

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71. Nullity of the matrix 

Nullity of the matrix

is

  • Option : A
  • Explanation : Linear Algebra

    By R2+R1; R3+2R2 and R4 + R3

    Linear Algebra

    Hence rank of matrix, A= 2

    Nullity of matrix,

    A= Number of columns of A - rank of A

    = 3 - 2

    = 1

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