A. P. if a2 and t12, find t, t3, t, – InterviewSolution

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A. P. if a2 and t12, find t, t3, t,

Answer»

Given a = 2t5 = a + (5-1)d12 = 2 + 4dd = 5/2

t2 = a + (2-1)d = 2 + d = 2 + 5/2 = 9/2

t3 = a + (3-1)d = 2 + 2d = 2 + 2*5/2 = 2 + 5 = 7

t4 = a + (4-1)d = 2 + 3d = 2 + 3*5/2 = 19/2

t2 = 9/2, t3 = 7, t4 = 19/2

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