- (i) A student states
"if \(x ^ { 2 }\) is greater than 9 then \(x\) must be greater than 3 "
Determine whether or not this statement is true, giving a reason for your answer.
(ii) Prove that for all positive integers \(n\),
$$n ^ { 3 } + 3 n ^ { 2 } + 2 n$$
is divisible by 6