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nuraddeen
Questions (3)
the sum of 16 terms of an A.P.is -504,while the sum of its 9 terms is -126.find the sum of its 30 terms.
2 answers
295 views
the following is an A.P 9,a,b,c,25... find:a=the values of a,b and c,b=the 60th term,c=the next three terms after 25 above.
1 answer
257 views
the 3rd and 8th terms of an arithmetic progression (A.P) are -9 and 26 respectively.find the:a=common difference,b=first
1 answer
854 views
