Asked by ruth mbijiwe
given that
A=[2 3] ,B=[x 1] and that AB is singular matrix , find the value of x
[ 4 4] [2 3]
A=[2 3] ,B=[x 1] and that AB is singular matrix , find the value of x
[ 4 4] [2 3]
Answers
Answered by
oobleck
AB =
[2x+6 11]
[4x+8 16]
Since |AB=0, you just need to solve
16(2x+6) - 11(4x+8) = 0
[2x+6 11]
[4x+8 16]
Since |AB=0, you just need to solve
16(2x+6) - 11(4x+8) = 0
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