Waec Model Questions Vol1 2023 Mathematics Question 9

Practice essay / theory question 9 from the 2023 Waec Model Questions Vol1 Mathematics examination. This question covers Sequences and Series .

Waec Model Questions Vol1 2023 Mathematics Essay / Theory

Topic: Sequences and Series

Question 9 WAEC_MODEL_QUESTIONS_VOL1 • 2023 • MATHEMATICS • essay

Consider the arithmetic series defined by the first term a = 5 and a common difference d = 3. The series continues until the nth term, which is less than or equal to 50. Calculate the following:

Question Parts

( a )

Determine the value of n, the number of terms in the series.

( b )

Calculate the sum of the series up to the nth term.

( c )

If the series were to continue with a common difference of 5 instead of 3, determine the new sum of the series up to the same nth term calculated in part (a).

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About This Question

This is Waec Model Questions Vol1 2023 Mathematics Question 9. It is one of the essay questions from the 2023 Waec Model Questions Vol1 Mathematics examination.

The question covers Sequences and Series .

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