For square roots, you can use sqrt() or the exponent (1/2). For example, the square root of two in WeBWorK is either sqrt(2) or 2^(1/2). For cube roots, use the exponent (1/3). The cube root of 7 is then 7^(1/3).
How do you type math symbols in WeBWorK?
Mathematical Symbols Available in WeBWorK
Multiplication may also be indicated by a space or juxtaposition, that is, just writing symbols next to each other, e.g. 2x, 2 x or 2*x, also 2(3+4). You can use the latter form, without a space, only provided no misunderstanding is possible.
How do you write 5th root in WeBWorK?
Mathematical Symbols Available In WeBWorK
Note, roots can be taken using exponents, so to get the fifth root of 17, use 17^(1/5) .