If $$A=1$$ $$3$$ $$31$$ $$3$$ $$41$$ $$4$$ $$3$$,Then A has

Correct option is 1unique inverse

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$If A = [\begin{array}{lll} 1 3 3 \\ 1 3 4 \\ 1 4 3 \end{array}], Then A has$

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unique inverse

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detailed solution

Correct option is A

detA=19−16−33−4+34−3=−7+3+3=−1≠0

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If A=1 3 31 3 41 4 3,Then A has

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$If A = [\begin{array}{lll} 1 3 3 \\ 1 3 4 \\ 1 4 3 \end{array}], Then A has$