Question

(i) if b+c*a=c+a*b=a+b*c and a+b+c not equal to 0 the show that each of these ratios is equal to 2. Also prove that
$a { }^{2} + b { }^{2} +c {}^{2} = ab + bc + ca$
​

Answer 1

Answer:

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Answer 2

Answer:

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