Prove that (a+b,b+c,c+a)=2(abc)
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a+b,b+c,c+a=2(abc)
let a be 1 b be 2 and c be 3
L.H.S=a+b,b+c,c+a R.H.S= 2(abc)
a+b+b+c+c+a =2(1.2.3)
2a+2b+2c =2(6)
2.1+2.2+2.3 ∴12
2+4+6
∴12
∵L.H.S=R.H.S proved...
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