ICSE Class 10 Answered

$begin mathsize 12px style Find space the space matrix space straight M comma space such space that space minus straight A space plus space 3 straight B space plus thin space straight M space equals space 0 comma space where space straight A space equals space open square brackets table row cell negative 2 end cell 6 row 5 8 end table close square brackets space and space straight B space equals space space open square brackets table row 1 2 row cell negative 2 end cell 3 end table close square brackets end style$ Please provide solution to this question

Asked by Topperlearning User | 03 Oct, 2017, 03:09: PM

Expert Answer

$begin mathsize 12px style negative straight A space plus space 3 straight B space plus space straight M space equals 0 rightwards double arrow space straight M space equals space straight A space minus space 3 straight B equals open square brackets table row cell negative 2 end cell 6 row 5 8 end table close square brackets space minus space 3 open square brackets table row 1 2 row cell negative 2 end cell 3 end table close square brackets equals open square brackets table row cell negative 2 end cell 6 row 5 8 end table close square brackets space minus space open square brackets table row 3 6 row cell negative 6 end cell 9 end table close square brackets equals open square brackets table row cell negative 2 minus 3 end cell cell 6 minus 6 end cell row cell 5 plus 6 end cell cell 8 minus 9 end cell end table close square brackets equals open square brackets table row cell negative 5 end cell 0 row 11 cell negative 1 end cell end table close square brackets end style$