1.

If Δ1=∣∣∣∣111abca2b2c2∣∣∣∣,Δ2=∣∣∣∣1bca1cab1abc∣∣∣∣, then

Answer»

If Δ1=
111abca2b2c2
,Δ2=
1bca1cab1abc
, then



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