1.

Using properties of determinants prove the following questions. ∣∣∣∣3a−a+b−a+c−b+a3b−b+c−c+a−c+b3c∣∣∣∣=3(a+b+c)(ab+bc+ca).

Answer»

Using properties of determinants prove the following questions.


3aa+ba+cb+a3bb+cc+ac+b3c
=3(a+b+c)(ab+bc+ca)
.



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