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```
in ap the 13th term is 22 and d is -1/2 then first term
in ap the 13th term is 22 and d is -1/2 then first term

```
4 months ago

Hari Charan reddy
31 Points
```							we know that, nth term of an AP = a + (n-1)dso, 13th term = a + (12)d    i.e. a + 12d = 22          a +  12(-1/2) = 22          a – 6 = 22 Therefore, a(first term) = 22 + 6 = 28.
```
4 months ago
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• 31 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions