SOLUTION: 8) If the value of
6 2 7
4 1 0
2 3 5
= -60, then evaluate
6 4 7
4 2 0
2 6 5
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Question 883888: 8) If the value of
6 2 7
4 1 0
2 3 5
= -60, then evaluate
6 4 7
4 2 0
2 6 5
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
evaluate
6 4 7
4 2 0
2 6 5
=====
= 6*(10) - 4*(20) + 7*(24-4) = 60 - 80 + 140
= 120 (if you mean the determinant)
----------------
I don't know if the 1st one is 60. Might be, might not.
-----------------------------
All the elements in the middle column are doubled, so the 1st one is 60.
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