Saved Bookmarks
| 1. |
Consider the statement : "For an integer n, if n3 – 1 is even, then n is odd." The contrapositive statement of this statement is : (1) For an integer n, if n3 – 1 is not even, then n is not odd. (2) For an integer n, if n is even, then n3 – 1 is odd. (3) For an integer n, if n is odd, then n3 – 1 is even. (4) For an integer n, if n is even, then n3 – 1 is even. |
|
Answer» (2) For an integer n, if n is even, then n3 – 1 is odd. Contrapositive of (p → q) is ~q → ~p For an integer n, if n is even then (n3 – 1) is odd |
|