alisonliu1552 alisonliu1552

05-02-2024
Mathematics

contestada

In an A.P consisting of 27 terms, the sum of the first three terms is 21 and that of the three middle terms is 93. Find the first term and the common
difference

A. 6,23
B. 5,2
C. 7,3
D. 6,3

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