Question

The sum of 12th and 18th terns of an arithmetic sequence is 298. a, Find 15th term? (Hint:Middle term) b,What is the sum of 1st and 29th terms? (Hint:Same pair sum) c, what is the sum of first 29th terms? (sum=middle term ×number of terms)​

Answer 1

Step-by-step explanation:

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