Question

The best answer will be marked brainli st...(√2x-y-2√2z)^2=?

Answer 1

I hope this will be the answer

As we know 2 identities

(a-b)^2=a^2+b^2-2 ab

(a+b+c)^2=a^2+b^2+c^2-2 (ab+bc+ca)

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