NCERT Example 13 - Arithmetic Progressions
Question: How many terms of the AP: 24, 21, 18, ... must be taken so that their sum is 78?
Answer: The number of terms is either 4 or 13.
Full step-by-step NCERT solution with diagrams on Something by Zero.
Question: How many terms of the AP: 24, 21, 18, ... must be taken so that their sum is 78?
Answer: The number of terms is either 4 or 13.
Full step-by-step NCERT solution with diagrams on Something by Zero.