Mathematics, 27.01.2020 06:31, jerria73
If the 9th term of an ap is 1/7 and the 7th term os 1/9 find the 63rd term
Answers: 2
= 1
= a + (n - 1)d
= a + 8d = 
→ (1)
= a + 6d = 
→ (2)
⇒ d = 
= 
= 1
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If the 9th term of an ap is 1/7 and the 7th term os 1/9 find the 63rd term...
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