Mathematics, 25.10.2019 07:43, b00n4l1f3

If 2x= a+b+c
show that

(x-a)² + (x-b)² + (x-c)² + x² = a² + b² + c²

Answers: 3

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If 2x= a+b+c
show that

(x-a)² + (x-b)² + (x-c)² + x² = a² + b² + c²...