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OpenStudy (anonymous):
http://i729.photobucket.com/albums/ww292/akatushi101/lastmatee.jpg I need help on the last three questions :/
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OpenStudy (anonymous):
Q8 is the third one, Q9 no (det is zero), Q10 no (det is zero)
OpenStudy (anonymous):
but isnt the the first one an inverse?
OpenStudy (anonymous):
the second question*
OpenStudy (anonymous):
Q8 you need to find the product of A and B. Q9 the matrix has a determinant equal to zero so it is singular and cannot posses an inverse, same with Q9.
OpenStudy (anonymous):
Oh okay
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OpenStudy (anonymous):
Q9: determinant is 3x4 - 6x2 = 12-12=0
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