Question

{|a b c|}. 2
{|C a b|}
{|B c a|}

Answer 1

Answer:

()22++ b c a a b c a b + + 0 0 1 (Expand by R3) = 2 ab (a + b + c)2.1.[(b + c) (c + a) – ab] = 2 ab(a + b + c)2 ( bc + c2 + ca) = 2 abc(a + b + c)3. (ii ...