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ICSE Class 10 Answered

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Asked by Kanwaranita10 | 03 Mar, 2020, 02:40: PM
Expert Answer
Matrix A=[x  3  //  y  3]
left parenthesis b right parenthesis
A equals open square brackets table row x 3 row y 3 end table close square brackets
A squared equals open square brackets table row x 3 row y 3 end table close square brackets open square brackets table row x 3 row y 3 end table close square brackets equals open square brackets table row cell x squared plus 3 y end cell cell 3 x plus 9 end cell row cell x y plus 3 y end cell cell 3 y plus 9 end cell end table close square brackets
A squared equals 3 I
rightwards double arrow open square brackets table row cell x squared plus 3 y end cell cell 3 x plus 9 end cell row cell x y plus 3 y end cell cell 3 y plus 9 end cell end table close square brackets equals open square brackets table row 3 0 row 0 3 end table close square brackets
rightwards double arrow 3 x plus 9 equals 0 rightwards double arrow x equals negative 3
A n d space 3 y plus 9 equals 3 rightwards double arrow y equals negative 2
Answered by Renu Varma | 03 Mar, 2020, 04:58: PM

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