Prove the following identities- 2yy-z-x2y2z2zz-x-yx-y-z2x2x=x+y+z2

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

Matching exercise

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

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