docstr: Returns the total number of roots for B_n"
docstr_tok: ["Returns","the","total","number","of","roots","for","B_n","''"]
code: def roots(self):
      """
      Returns the total number of roots for B_n"
      """
  
      n = self.n
      return 2 * (n**2)
  
file_path: sympy/sympy/liealgebras/type_b.py
imports: from .cartan_type import Standard_Cartan
  from sympy.core.backend import eye
label_desc: Use image node_id 6 for calling the TypeB obj's underlying member method code with example usage: obj.roots() and returns: unknown