Answer:
(a) 11 , (b) 74
Step-by-step explanation:
to find any term given the nth term formula
substitute the given value of n into the formula.
(a)
to find the second term, substitute n = 2 into the formula
3(2)² - 1 = 3(4) - 1 = 12 - 1 = 11
The second term is 11
(b)
to find the fifth term, substitute n = 5 into the formula
3(5)² - 1 = 3(25) - 1 = 75 - 1 = 74
The fifth term is 74
