If f(x) = \(\frac{2 - x}{x}\), x ≠ 0, find the inverse of f.

Solve 2\(^{2x}\) -  5(2\(^x\)) + 4 = 0 

If p = \(\begin{pmatrix}2 \\ 4 \end{pmatrix}\) and q = \(\begin{pmatrix} 10 \\ -1 \end{pmatrix}\), find a vector, r such that 2p - 3r = q

Given that p = \(\begin{pmatrix} m + 1 & m - 1 \\ m + 4 & m - 8 \end{pmatrix}\) and |p| = - 34, find the value of m.

If r = i + 2j and n = -i + 3j, find |2n - r|.