Find a basis of the orthogonal complement L of L. Answer: To enter a basis into WeBWork, place the entries of each vector inside of brackets, and enter a list of these vectors, {9.0} separated by commas. For instance, if your basis is blank. then you would enter [1,2,3],[1,1,1] into the answer Let L be the line spanned by -5 -2 -7 in R.