Question

Find the 8th term of the sequence whose general term is 2n² - 3n + 1

a) 105
b) 110
c) 115
d) 120

Answer 1

Answer:

General term = 2n^2-3n+1

So 8th term = 2X8^2-3X8+1 = 2X64 - 24 +1 = 128 -23 = 105

Step-by-step explanation:

Answer 2

105 is the correct answer
The workout :
Replace n with 8 :
2 x 8^2 - 3 x 8 + 1
2 x 64 - 24 + 1
128 -24 + 1
104 + 1
Ans : 105