maths

The 12th term of exceeds the 3rd term by 36 of an a.p
If it's 16th term is 64 find first term and common difference

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asked by hetal
  1. a+11d - (a + 2d) = 36
    9d = 36
    d = 4

    term(16) = a+15d = 64
    a + 60 = 64
    a = 4

    so a = 4, d = 4

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    posted by Reiny

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