The equations of two sides of a square whose area is 25 square units are 3x – 4y = 0 and 4x + 3y = 0. The equations of the other two sides of the square are
1
3x – 4y ± 25 = 0, 4x + 3y ± 25 = 0
2
3x – 4y ± 5 = 0, 4x + 3y ± 5 = 0
3
3x – 4y ± 5 = 0, 4x + 3y ± 25 = 0
4
none of these