1. is Null Matrix ?
`[[0,0,0],[0,0,0],[0,0,0]]`Solution:A matrix, in which all elements are zero, is called a null matrix or a zero matrix.
| `A` | = | | `0` | `0` | `0` | | | `0` | `0` | `0` | | | `0` | `0` | `0` | |
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Here, all elements are zero, so it is a null matrix.
2. is Null Matrix ?
`[[1,0,0],[0,0,0],[0,0,0]]`Solution:A matrix, in which all elements are zero, is called a null matrix or a zero matrix.
| `A` | = | | `1` | `0` | `0` | | | `0` | `0` | `0` | | | `0` | `0` | `0` | |
|
Here, `a_(11)=1!=0`, so it is not a null matrix.
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