With usual notations the depth of the neutral axis of a balanced section, is given by______________?

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With usual notations the depth of the neutral axis of a balanced section, is given by______________?

A. mc/t = (d – n)/n
B. t/mc = (d – n)/n
C. t/mc = (d + n)/n
D. mc/t = n/ (d – n)(Correct)