The sum of 5th and 9th terms of an A.P. is 72 and the sum of 7th and 12th term of an A.P.is 97. find the A.P.?
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here is ur answer....
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sonachrislin01:
I am sorry ...I have mentioned wrong...in last step...it is 6, 6+5,6+2(5),6+3(5).....
don't consider the 1st comment...I have edited my answer
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