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\left( \begin{array}{lll}{1} & {0} & {0} \\ {0} & {1} & {0} \\ {0} & {0} & {1}\end{array}\right) is(a) A null matrix(c) An identity matrix(b) A row matrix(d) A column matrix |
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Answer» c) An identity matrix as given matrix when multipled by any other matrix gives the same matrix (c) an identity matrix |
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