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| 1. |
Sum of first 10 terms of an ap is 400 and sum of first 5 terms is 150 find its third term find its common difference find its first term |
| Answer» COMMON Difference = 4First Term = 22Third Terms = 30Step-by-step explanation:Sum of N terms of A.P = 400 = 5(2a+9d)150= 5/2 (2a+4d)2a+9d= 802a+4d= 60Therefore Common Difference = 4First Term = 22Third Terms = 30 | |