Question

x^2+y^2 + z^2/4+ 2xy- yz-zx
Pls send Solution Pic​

Answer 1

x = a; y = b; -(z/2) = c. (As we know, a²+b²+c²+2ab+2bc+2ca = (a+b+c)², we have written in that format). (Changes can be seen in the symbols).

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Answer 2

Answer:

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