Sum of First n Terms of AP
Sum of First n Terms
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
Which of the following values is the sum of the first six terms of the AP : 0.7, 1.9, 3.1,......? | |||
| Right Option : C | |||
| View Explanation | |||
The first and the last term of an arithmetic progression are 4 and 128, respectively. If the sum of all the terms is 2970, what is the number of terms? | |||
| Right Option : B | |||
| View Explanation | |||
If the sum of 1st n terms of an AP is 2n(n + 3) , what is the value of its 6th term? | |||
| Right Option : B | |||
| View Explanation | |||
Students / Parents Reviews [10]
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