8
√32 * √20 = √(32*20) = √(640) = √(2*2*160) = 2√(160) = 2√(2*2*40) = 4√(40) = 4√(2*2*10) = 8√10
√32 = √(16 x 2)= √16 x √2= 4 √2
four under root 2
It is a root of a number where that root cannot be made into a rational number. For example, the cuberoot(27/64) is 3/4 and so is not a radical but cuberoot(32/64) = cuberoot(1/2) = 3√(1/2) cannot be simplified or rationalised further.
8
4 radical 2
4√2
4√2
√32 * √20 = √(32*20) = √(640) = √(2*2*160) = 2√(160) = 2√(2*2*40) = 4√(40) = 4√(2*2*10) = 8√10
4√2
√32 = √(16 x 2)= √16 x √2= 4 √2
2√32 = 8√2 ≈ 11.3137085
four under root 2
3√2 is already in it's simplest form, but if you want to express it as a single radical, it would be: 3√2 = √(32)√2 = √(32 * 2) = √(9 * 2) = √18
Itanium
It is a root of a number where that root cannot be made into a rational number. For example, the cuberoot(27/64) is 3/4 and so is not a radical but cuberoot(32/64) = cuberoot(1/2) = 3√(1/2) cannot be simplified or rationalised further.