DeterminantHard

Question

The absolute value of the determinant is

Options

A.16√2
B.8√2
C.8
D.none

Solution


Applying  R2 → R2 - R1 & R3 → R3 - R1
= = 1(-8√2 - 8 - 8√2 + 8) = - 16√2
So absolute value is 16√2

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