lign=""center""> lign=""center"" width=""95 % "">l53"">l53&_user=10&_cdi=5632&_rdoc=16&_handle=V-WA-A-W-BB-MsSAYWW-UUW-U-AABZBBUCUD-AABBEAABUD-CAYAWZYUB-BB-U&_acct=C000050221&_version=1&_userid=10&md5=7d064d9037b5a4117cf35c88505fa99a""> lt=""Click to view the MathML source"" align=""absbottom"" border=""0"" height=51 width=236>