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Find first term of the sequence tn = 2n + 1 - Algebra

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Sum

Find first term of the sequence tn = 2n + 1

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Solution

tn = 2n + 1     ......[Given]

∴ t1 = 2(1) + 1

= 2 + 1

= 3

∴ The first term of the sequence is 3.

Concept: Terms in a sequence
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