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(Solved): this is linear algebra question please i need help with this two question? 5. Find the \( 4 \times 4 ...



this is linear algebra question please i need help with this two question?

5. Find the \( 4 \times 4 \) matrix \( A=\left[a_{i j}\right] \) whose entries satisfy the \( a_{i j}=\left\{\begin{array}{c}
5. Find the \( 4 \times 4 \) matrix \( A=\left[a_{i j}\right] \) whose entries satisfy the \( a_{i j}=\left\{\begin{array}{c}i+j \text { if } i \leq j \\ 1 \text { if } i>j\end{array}\right. \) \[ 2 w+3 x-y+4 z=0 \] \[ 3 w-x+z=1 \] 6. Solve the system \( 3 w-4 x+y-4 z=2 \) by inverse of coefficient matrix.


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