Give a few examples of cospectral graphs with respect to the Laplacian matrix.

When dealing with multiple conditions, a nested IIF function can be a useful tool

Indicate whether the statement is true or false

Answer the following statements true (T) or false (F)

1) A valid XHTML document can contain uppercase letters in element names. 2) Tags need not be closed in a valid XHTML document. 3) XHTML can have the file extension.htm. 4) Valid XHTML documents can contain tags that overlap. 5) &less; is the special character for the less-than (<) character.