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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
```							In the given AP,the first term, a=?common difference, d= -1/2and the 13th term = 22we know that, the nth term of an AP = a + (n-1)dso, 13th term = a+ 12dthen, a+12d = 22         a+ 12(-1/2) = 22         a – 6 = 22therefore, a (first term) = 28.
```
4 months ago
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• 31 Video Lectures
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• Test paper with Video Solution
• Mind Map
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• NCERT Solutions
• Discussion Forum
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