Mathematics for IGCSE & O level - Sequences (Section 3 - No. 45)
Given a sequence with the first term 3 and a common difference of 4, what will be the formula for the nth term?
4n-1
4n+3
3n-4
3n+4
Explanation
The common difference is 4, so it will include 4n. Then solve for n=1.
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