1.

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

Answer»

If

Δ1,
111abca2b2c2
, Δ2 =
1bca1cab1abc
then




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