Cube of −12 is
18
116
−18
−116
{∵ (1−2)3=−12×−12×−12=−18}
Question 2
A cube of side 4 cm is cut into 1 cm cubes. What is the ratio of the surface areas of the original cube and cut-out cubes ? (a) 1 : 2 (b) 1 :3 (c) 1 : 4 (d) 1 : 6
Which one is Greater in the following
1- √2
2- cube root 3
3- cube root 4
4- cube root 2