Question

S125
81
(D) 4
If 2s = a + b + C, then the value of (s - a)2 + (s -b)2 + (s - c)2 + s2 - a? - b2 - c? will be:
(A) -1
(B) 1
(C) 2.
(D) 0
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Answer 1

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