N is a positive integer. Is n the square of an integer?
1) 4n is the square of an integer
2) n^3 is the square of an integer
The OA is D.
I couldn't determine that statement (2) alone is sufficient. How can I solve it?
1) 4n is the square of an integer
2) n^3 is the square of an integer
The OA is D.
I couldn't determine that statement (2) alone is sufficient. How can I solve it?
