The algebraic form for the
sum of first n terms of an
AS is 2n²+8n
a) Find the first term and common difference?
b) Write the algebraic form of the sequence?
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Given, arithmetic sequence Xn = 5n + 3 a. The first term of the sequence, put n = 1 X1 = 5 × 1 + 3 = 8 b. d = 5 (coefficient of n be the common difference)The ...
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