Find the nth term of the linear sequence (A.P) (5y + 1), ( 2y +
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
Correct Answer: C. (8 - 3n)y + 1
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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