JEE Math Practice Question
Let $$A$$ be a $$\,2 \times 2$$ matrix Statement - 1 : $$adj\left( {adj\,A} \right) = A$$ Statement - 2 :$$\left| {adj\,A} \right| = \left| A \right|$$
- A.statement - 1 is true, statement - 2 is true; statement - 2 is not a correct explanation for statement - 1.
- B.statement - 1 is true, statement - 2 is false.
- C.statement - 1 is false, statement -2 is true
- D.statement -1 is true, statement - 2 is true; statement - 2 is a correct explanation for statement - 1.
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