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16. If (m+1)th term of AP is twice the (n+1)th term prove that (3m+1)th term is twice the (m+n+1)th term. |
| Answer» 16. If (m+1)th term of AP is twice the (n+1)th term prove that (3m+1)th term is twice the (m+n+1)th term. | |