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Question No. 19Marks: 1The matrix whose all elements arezero is1. O 0 unit matrix2. O Identity matrix3. oNull matrix4. oRow matrix |
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Answer» Answer: 3. null MATRIX A matrix is SAID to be ZERO matrix or null matrix if all its ELEMENTS are zero. are all zero matrices of the order 1, 2 and 3 respectively. We denote zero matrix by O. |
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