term of an ap 7th term is 2 more than three times the third term find the sum of the first 35 terms of an ap
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Answer:
The question is not efficient. to find common difference we should have atleast two equations
Step-by-step explanation:
Given 7th term is 2 more than thrice the third term
a₇=3a₃+2
a+6d=3(a+2d)+2
a+6d=3a+6d+2
-2=2a
a=-1
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