9 Complete each of the following by putting the best connecting symbol ( \(\Leftrightarrow , \Leftarrow\) or ⇒ ) in the box. Explain your choice, giving full reasons.
- \(n ^ { 3 } + 1\) is an odd integer □ \(n\) is an even integer
- \(( x - 3 ) ( x - 2 ) > 0\) □ \(x > 3\)
Section B (36 marks)