Further MathematicsSequences and seriesWAEC
Evaluate the sum of (2r + 1) from r = 1 to r = 4.
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Answer: C. 24
3 + 5 + 7 + 9 = 24.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.
Further Mathematics · Sequences and series
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