Question

Il
12. The sum of first 20 terms of an A.P. is 400 and sum of first 40 terms is 1600. Find the sum of
first 10 terms.
Standard (A.I.C.B.S.E. 2015)
on AP whose şth and 9th terms are 13 and 29 respectively and its​

Answer 1

Answer:

bhai tera bhi paper hai kya

Step-by-step explanation:

mai bhi paper daine Jaa Raha hu

best of luck

Answer 2

Answer:

wrong question I think