- The sum of 6 terms form an A.P. is 345. The difference of the first and the last terms is 55. Find the six terms of the A.P.
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Step-by-step explanation:
6/2(2a+(6-1)d)=345
3(2a+5d)=345
2a+5d=115
a+5d-a=55
5d=55
d=5
2a+25=115
2a=90
a=45
Therefore the required AP=45,50,55,60,65,70...
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