document.write( "Question 1006562: If the matrices A and B are two invertible matrices, then (A + B) is also invertible
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\n" ); document.write( "is this statement true or false and why? \n" ); document.write( "
Algebra.Com's Answer #622673 by ikleyn(52786)\"\" \"About 
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\n" ); document.write( "False.\r
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\n" ); document.write( "\n" ); document.write( "For a given invertible matrix  A  take the matrix  B  as  B = -A.\r
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\n" ); document.write( "\n" ); document.write( "Then  B  is invertible,  and A + B = 0  (zero matrix),  which is not invertible.\r
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