Question

if s= a+b+c then 2(s-a) (s-b)
+2(s-b) (s-c)+2(s-c) (s-a) is​

Answer 1

Step-by-step explanation:

Then (a — c)2 Z (a — b)2 + (b — c)2. ... Proof 1° If Sa, Sb, Sc Z O then clearly S Z O. 2° Let us assume that a ≥ b ≥ c.

Answer 2

Check the attachment...I gave a simplified answer

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