A very special matrix.

Algebra Level 3

For any n N n \in \mathbb{N} , is the following set of vectors linearly independent or dependent?

{ ( 1 1 2 1 3 1 n ) , ( 1 1 2 2 1 3 2 1 n 2 ) , . . . , ( 1 1 2 n 1 3 n 1 n n ) } \left \{ \begin{pmatrix} 1 \\ \dfrac{1}{2} \\ \dfrac{1}{3} \\ \vdots \\ \dfrac{1}{n} \end{pmatrix}, \begin{pmatrix} 1 \\ \dfrac{1}{2^2} \\ \dfrac{1}{3^2} \\ \vdots \\ \dfrac{1}{n^2} \end{pmatrix}, ..., \begin{pmatrix} 1 \\ \dfrac{1}{2^n} \\ \dfrac{1}{3^n} \\ \vdots \\ \dfrac{1}{n^n} \end{pmatrix} \right \}

Note: Don't consider zero as a natural number.

linearly independent linearly dependent

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