1.

If a,b,c are all different and ∣∣∣∣∣aa3a4−1bb3b4−1cc3c4−1∣∣∣∣∣=0, then the value of abc(ab+bc+ca) is equal to:

Answer»

If a,b,c are all different and

aa3a41bb3b41cc3c41

=0,
then the value of abc(ab+bc+ca) is equal to:



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