" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x1+x2 = -b/a = -(-5)/1 = 5
x1. x2 = c/a = p/1 = p
x1²+x2² = 13
(x1+x2)²-2x1 x2 = 13
5² - 2p = 13
-2p = 13 - 25
p = -12/-2
p = 6