SOLUTION: Please help me solve this equation: Find the inverse of the following matrices. a, {{{ matrix( 3, 3, 1, 2, -1, 2, 2, 4, 1, 3, -3 ) }}} b, {{{ matrix( 4, 4, 0, -1

Algebra ->  Test -> SOLUTION: Please help me solve this equation: Find the inverse of the following matrices. a, {{{ matrix( 3, 3, 1, 2, -1, 2, 2, 4, 1, 3, -3 ) }}} b, {{{ matrix( 4, 4, 0, -1      Log On


   

Question 354998: Please help me solve this equation: Find the inverse of the following matrices.
a,
b,

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
det[a]=-2
[a]inv=-%281%2F2%29%2A%28matrix%283%2C3%2C-18%2C3%2C10%2C10%2C-2%2C-6%2C4%2C-1%2C-2%29%29
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det[b]=10
[b]inv=