If a matrix \( A \) is such that \( 3 A^{3}+2 A^{2}+5 A+I=0 \), the...
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If a matrix \( A \) is such that \( 3 A^{3}+2 A^{2}+5 A+I=0 \), then \( A^{-1} \) is equal to
(a) \( -\left(3 A^{2}+2 A+5\right) \)
(b) \( 3 A^{2}+2 A+5 \)
(c) \( 3 A^{2}-2 A-5 \)
(d) none of these
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