How many terms of an ap 20, 58/3, 56/3,......... be taken so that their sum is 300.
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Answer:
25 terms should be taken .
Step-by-step explanation:
Given AP is 20 , 58/3 , 56/3......
therefore,
- a=20
- d= –⅔
- Sn= 300
Substitute the values in Sn formula ...
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