1.

If ∣∣∣∣−17021−3341∣∣∣∣=A, then ∣∣∣∣13−115−7−125−21−3−15∣∣∣∣ is (I3 denotes the det of the identity matrix of order 3)

Answer» If ∣∣
∣
∣
−17021−3341∣∣
∣
∣
=A, then ∣∣
∣
∣
13−115−7−125−21−3−15∣∣
∣
∣
is

(I3 denotes the det of the identity matrix of order 3)


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