The p the term of an AP is 20 and its q th term is 10. Show that the sum of its first (p+q) terms is (p+q)/2 {30+10/(p-q)}

### Asked by Raj Shekhar | 6th Jan, 2018, 06:39: AM

Expert Answer:

### Answered by Rashmi Khot | 8th Jan, 2018, 01:42: PM

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