What is the value of 3√8 + 13√8 ?
2
2.5
0.5
1
8= 2 x 2 x 2
Cube root of 8 = 2
So 2+ 12 = 2.5
What is the value of 3√8+13√8 ?
If (x−1)3 = 8, what is the value of (x+1)2