If a^2 + b^2 + c^2 = ab + bc + ca, then {a+c}/b is equal to?

RRB Assistant Loco Pilot and Technician Model Paper 15 with key

Question : 52 of 100

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a^2 + b^2 + c^2 = ab + bc + ca

, then

{a+c}/b

is equal to?

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