MCQ
જો $A=diag[a \ \ b \ \ c \ \ d],$ તો $A^n=.........,n\in N$
- A$diag[na \ \ nb \ \ nc \ \ nd]$
- B$diag[(n-1)a(n-1)b(n-1)c(n-1)d]$
- ✓$diag[a^n \ \ b^n \ \ c^n \ \ d^n]$
- D$diag[a^{n-1} \ \ b^{n-1} \ \ c^{n-1} \ \ d^{n-1}]$
$A=diag[a \ \ b \ \ c \ \ d]$
$\Rightarrow A^2=diag [a^2 \ \ b^2 \ \ c^2 \ \ d^2]$
$\Rightarrow A^3=diag [a^3 \ \ b^3 \ \ c^3 \ \ d^3]$
$A^n=diag [a^n \ \ b^n \ \ c^n \ \ d^n]$
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