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Practice Problems : A.P Series (Discussion)

deepa mittal said – Thu, 03 Sep 2009 05:35:09 -0000 ( Link )

1. Find the 20th term from the end of the AP 3, 8, 13……..253

Ans: 158

2. Find the value of x if 2x + 1, (x ^ 2) + x +1, 3 ( x ^ 2 ) – 3x +3 are consecutive terms of an AP

Ans: x=1 or x=2

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