SOLUTION: Find the determinate of the matrix (8 + 4a 4) (5 + 3a 3) Possible answers are: a.) 4 b.) 44 c.) 4 + 24a d.) 44 + 24a

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Question 72186: Find the determinate of the matrix
(8 + 4a 4)
(5 + 3a 3)
Possible answers are:
a.) 4
b.) 44
c.) 4 + 24a
d.) 44 + 24a

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
(8 + 4a 4)
(5 + 3a 3)
==========
=(8+4a)*3 - 4(5+3a)
= 24+12a -20-12a
= 4
=============
Cheers,
Stan H.

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