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Find the nth term of the linear sequence (A.P) (5y + 1), ( 2y + 1),...

Further Mathematics
WAEC 2020

Find the nth term of the linear sequence (A.P) (5y + 1), ( 2y + 1), (1- y),...

  • A. (8 + 3n)y + 1
  • B. 8y + 3n + 1
  • C. (8 - 3n)y + 1
  • D. 8y - 3n + 1
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Correct Answer: Option C
Explanation

Tn = a + (n - 1)d

Tn = 5y + 1 (n - 1) -3y

Tn = 5y + 1 - 3ny + 3y 

Tn = 8y - 3ny + 1

Tn = (8 - 3n) y + 1

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free