1.

Using properties of determinants, show that Δ=∣∣∣∣∣(b+c)2abcaab(c+a)2bcacbc(a+b)2∣∣∣∣∣=2abc(a+b+c)2

Answer» Using properties of determinants, show that
Δ=

(b+c)2abcaab(c+a)2bcacbc(a+b)2

=2abc(a+b+c)2


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