find four consecutive terms in an A.P. whose sum is -54 and sum of 1st and 3rd term is -30. Let four consecutive terms be a-d,a,a+d,a+2d
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Step-by-step explanation:
find 4 terms and of an ap
given sum of these terms is -54.....
so the terms are
-15-3,-15,-15+3,-15+6
which are
-18,-15,-13,-9
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