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Mathematics for IGCSE & O level - Sequences (Section 1 - No. 12)
Which term of the sequence 5, 9, 13, 17,... is 41?
8th
9th
10th
11th
توضيح
The formula is 4n+1. 41-1 = 40, and 40/4 is 10, therefore, the term is at the 10th term.
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