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| 1. |
Find the first positive term of A.P. -65,-58,-51... |
| Answer» For first positive term an>0a+(n-1)d>0-65+(n-1)7>0-65+7n-7>07n>72n>72/7Therefore 11th term of given A.P. is postivea11=-65+(11-1)7a11=-65+70=5 | |