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Mathematics, 18.11.2020 22:00 skylex

"A" is a 5x5 matrix which the determinant is 30. Consider a B matrix created from A using the following procedures: L1 ↔ L5
L3 = 1/2.L3
L4 = L4 − 3.L3
L2 = 6.L2

What is B's determinant?

If anyone can at least give me some hints on where to start this I would already think it's a valid answer. I am not sure how I can figure the A matrix by only having it's determinant... I know if I could figure it's values I would be able to create the B matrix aswell.

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