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Asked by siddharthjaiswal1122 | 22 Aug, 2018, 09:41: AM
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begin mathsize 16px style straight A equals open square brackets table row 2 0 row cell negative 1 end cell 7 end table close square brackets straight A squared equals open square brackets table row 2 0 row cell negative 1 end cell 7 end table close square brackets open square brackets table row 2 0 row cell negative 1 end cell 7 end table close square brackets straight A squared equals open square brackets table row cell 2 cross times 2 plus 0 end cell 0 row cell negative 1 cross times 2 minus 7 end cell cell 7 cross times 7 end cell end table close square brackets straight A squared equals open square brackets table row 4 0 row cell negative 9 end cell 49 end table close square brackets straight A squared equals 9 straight A plus mI open square brackets table row 4 0 row cell negative 9 end cell 49 end table close square brackets equals open square brackets table row 18 0 row cell negative 9 end cell 63 end table close square brackets plus open square brackets table row straight m 0 row 0 straight m end table close square brackets open square brackets table row 4 0 row cell negative 9 end cell 49 end table close square brackets equals open square brackets table row cell 18 plus straight m end cell 0 row cell negative 9 end cell cell 63 plus straight m end cell end table close square brackets 18 plus straight m equals 4 straight m equals negative 14 end style
Answered by Sneha shidid | 23 Aug, 2018, 11:37: AM

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CBSE 10 - Maths
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