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JEE · Matrices & Determinants · Advanced

Matrices & Determinants: Rank of math?

2×2 determinants, Cramer's rule peek.

Try the problem

Rank of (123246001)\begin{pmatrix}1&2&3\\2&4&6\\0&0&1\end{pmatrix}?

Hint and answer

Concept to use

Inverse 2×2.

Hint

Rows dependent.

Answer

2

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