Thanks in advance :)
Marc26 Member Joined Feb 20, 2012 Messages 244 Gender Male HSC 2013 Aug 21, 2012 #1 Thanks in advance
barbernator Active Member Joined Sep 13, 2010 Messages 1,439 Gender Male HSC 2012 Aug 21, 2012 #2 sum of roots is -p product of roots is (3-p) let roots be a and b a) consider that a= -b. therefore a+b=0, so sum of roots = 0 and p = 0. b) consider that a = 1/b. therefore ab=1. so product of roots = 1. and so 3-p=1. p=2
sum of roots is -p product of roots is (3-p) let roots be a and b a) consider that a= -b. therefore a+b=0, so sum of roots = 0 and p = 0. b) consider that a = 1/b. therefore ab=1. so product of roots = 1. and so 3-p=1. p=2