If A-aij-4-4 is a scalar matrix such that aii-2- then the value of detadjadj A7 iswhere - respresents fractional part function

A= [ 2 amp;0 nbsp; amp;0 amp;0; nbsp; 0 amp;2 nbsp; amp;0 amp;0; nbsp; 0 amp;0 amp;2 amp;0 nbsp;; 0 amp;0 amp;0 nbsp; ...

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Inequalities Involving Modulus Function

If A=[aij]4×4...

Question

If $A = [a_{i j}]_{4 \times 4}$ is a scalar matrix such that $a_{i i} = 2$ , then the value of ${\frac{d e t (a d j (a d j A))}{7}}$ is
(where { $\cdot$ } respresents fractional part function)

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Solution

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Similar questions

A = {[a_{i j}]}_{4 \times 4}

a_{i j} = {\begin{matrix} 2 w h e r e i = j 0 w h e r e i \neq j \end{matrix}

{\frac{d e t (a d j (a d j A))}{7}}

{\cdot}

A = [a_{i j}]

4 \times 4

a_{i j} = {\begin{matrix} 2, when i = j 0, when i \neq j \end{matrix}

{\frac{det(adj(adjA))}{7}}

{.}

A = [a_{i j}]

4 \times 4

a_{i j} = {\begin{matrix} 2, when i = j 0, when i \neq j \end{matrix}

{\frac{det(adj(adjA))}{7}}

{.}

A = [a_{i j}]_{4 \times 4}

a_{i j} = {\begin{matrix} 2, & if i = j 0, & if i \neq j \end{matrix} .

{\frac{d e t (a d j (a d j A))}{7}}

({.}

)

A = [a_{i j}]_{3 \times 3}

a_{i j} = {\begin{matrix} 3, w h e n i = j 0, o t h e r w i s e \end{matrix}

{\frac{d e t (a d j (a d j A))}{5}}

{k}

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