OTET Paper 2 Math and Science 1 Jul 2023 Paper

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Question : 119 of 150

Marks: +1, -0

If a + b + c = 2x, then {(x - a)² + (x - b)² + (x - c)²+ x²} = ?

(x2 - a2 - b2 - c2)
(x2 + a2 + b2 + c2)
(a2 + b2 + c2)
(4x2 - a2 - b2 - c2)

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