Syntax: rt(x; n[; k])
Example | Syntax | Output |
---|---|---|
3√8 | rt(8; 3) | 2 |
4√(16) = (16)1/4 |
rt(16; 4; 0) rt(16; 4; 1) rt(16; 4; 2) rt(16; 4; 3) |
2 2*i -2 -2*i |
This function returns the kth possible value of a nth root of a (complex) number x. The parameter k may be omitted (thus setting it to zero), but must always be in the following range:
k = 0, 1, 2, … (n-1)
0 ≤ k < n