1.

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

Answer»

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



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