Sum of N Terms of an AP: The sum of n terms when the AP is given
When l = Last term up to which the sum of A.P. is to find
For Example: Find the sum of first 10 terms of the given AP 34+ 37+ 40+....
Solution:
Substituting thevalue of 'a' and 'd ' and n in
In a AP series of 100 terms ,so what is the sum of all the terms of the series? | |||
Right Option : A | |||
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If the sum of 3 consecutive terms of an AP is zero and what will be their product ? | |||
Right Option : D | |||
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If the sum of first n terms of an AP is n(3n + 7) , then its 10th term is ________ | |||
Right Option : C | |||
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