Objective question in Kinematics

A body starts from rest with uniform acceleration. If its velocity after n second is upsilon,then its displacement in the last two seconds is a) frac2upsilonleft(n+1ight)n b) fracupsilonleft(n+1ight)n c) fracupsilonleft(n1ight)n d) frac2upsilonleft(n1ight)n

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