Question

3.) If A,B,C are
nxn
matrics and
det A= 2 then det B = 3 ,
det c=5
then det(A2 bc-1)

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Answer 1

Answer:

Given that ∣A∣=2,∣B∣=3,∣C∣=5.

Now, det(A 2 BC −1 )=∣A 2 BC −1 ∣= ∣C∣∣A∣2∣B∣ = 5

4×3

= 12/5