+186 Suppose that a, b, and c are real numbers for which
a2b2=28,b2c2=21, anda2c2=27,. If a < b < c, find 3b. Don't know where to start. Any help or hints will be appreciated.
+186 Okay, for a second I forgot that negative numbers could be squared to get a positive number. This thread is useless now, sorry for making it...
