Prove the following identities - x+λ2x2x2xx+λ2x2x2xx+λ=(5x+λ)(λ-x)2

Prove the following identities - $|\begin{matrix} x + λ & 2 x & 2 x \\ 2 x & x + λ & 2 x \\ 2 x & 2 x & x + λ \end{matrix}| = (5 x + λ) (λ - x)^{2}$

Matching exercise

Match the items on the right to the items on the left.

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