Neco Model Questions Vol1 2025 Mathematics Question 9

Practice essay / theory question 9 from the 2025 Neco Model Questions Vol1 Mathematics examination. This question covers Sequences and Series, Arithmetic Progression .

Neco Model Questions Vol1 2025 Mathematics Essay / Theory
Topics: Sequences and Series Arithmetic Progression
Question 9 NECO_MODEL_QUESTIONS_VOL1 • 2025 • MATHEMATICS • essay

The first five terms of a sequence form an arithmetic progression. The sum of the first five terms is 70 and the sum of the first three terms is 33.

Question Parts

( a )
Determine the common difference of the progression.
( b )
Find the fifth term of the progression.
( c )
Using the value of the fifth term as n, evaluate the sum of the first n terms of the progression.

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About This Question

This is Neco Model Questions Vol1 2025 Mathematics Question 9. It is one of the essay questions from the 2025 Neco Model Questions Vol1 Mathematics examination.

The question covers Sequences and Series, Arithmetic Progression .

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