Question

if the sum of first n terms of an ap is 6-n³ what is the first two terms? similarly find the 3rd , the 10th and the nth terms
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Answer 1

Step-by-step explanation:

first of all take n=1 since sum of the first term in an ap. is that term only ..therefore

6-n^3

6-1=5

therefore the first term is 5

pls provide the common difference otherwise I can't proceed...follow me