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Standard XII

Mathematics

Sum of n Terms

If Am A suffi...

Question

If Am (A suffix m) denotes m th term of an A.P, then Am is

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Solution

Am is the mth term of the A.P
Which means that Am is that term of an A.P. for which the term number is m
Let's take an example

Here the mth term is 10th term
Find 10^th term in the series 1, 3, 5, 7, ...

a = 1
d = 3 – 1 = 2

10^th term, t₁₀ = a + (n-1)d = 1 + (10 – 1)2 = 1 + 18 = 19

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If Am (A suffix m) denotes m th term of an A.P, then Am is

Am is the mth term of the A.P Which means that Am is that term of an A.P. for which the term number is m Let's take an example Here the mth term is 10th term Find 10th term in the series 1, 3, 5, 7, ... a = 1 d = 3 – 1 = 2 10th term, t10 = a + (n-1)d = 1 + (10 – 1)2 = 1 + 18 = 19

Am is the mth term of the A.P
Which means that Am is that term of an A.P. for which the term number is m
Let's take an example

Here the mth term is 10th term
Find 10^th term in the series 1, 3, 5, 7, ...

a = 1
d = 3 – 1 = 2

10^th term, t₁₀ = a + (n-1)d = 1 + (10 – 1)2 = 1 + 18 = 19