Mathematics, 01.01.2020 01:31, braidyn1018
If the sum of the first n terms of sequence is (2n^2)+3, find the first two terms of the sequence
Answers: 1
= 2n² + 3, then
= 2(1)² + 3 = 2 + 3 = 5 ⇒ 
= 5
= 2(2)² + 3 = 8 + 3 = 11
= 11 - 5 = 6
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If the sum of the first n terms of sequence is (2n^2)+3, find the first two terms of the sequence...
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