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SS2: MATHEMATICS - 1ST TERM

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  1. Logarithms of Numbers Less Than One
    2 Topics
  2. Theory of Logarithms
    6 Topics
    |
    1 Quiz
  3. Approximation & Accuracy
    5 Topics
    |
    1 Quiz
  4. Sequence
    2 Topics
  5. Series
    2 Topics
    |
    1 Quiz
  6. Geometric Progression
    2 Topics
    |
    1 Quiz
  7. Quadratic Equations II
    2 Topics
  8. Quadratic Equations III
    1 Topic
  9. Quadratic Equations IV
    3 Topics
    |
    1 Quiz

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SS2: MATHEMATICS – 1ST TERM Series Sum of n Terms of an Arithmetic progression (A.P)
Lesson 5, Topic 2
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Sum of n Terms of an Arithmetic progression (A.P)

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Topic Content:

  • Sum of n Terms of an Arithmetic progression (A.P)

To find the sum of natural numbers, we need to know the formula to find it.

The sum of "n" terms of an Arithmetic progression (A.P) can be easily found out using a simple formula given as;

S n = \( \frac{n}{2}  \scriptsize (a + L) \)

where L = last term

OR

S n ...

 

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