Maths-
General
Easy
Question
There are two possible value of A in the solution of the matrix equation
=
, where A, B, C, D, E, F are real numbers. The absolute value of the difference of these two solutions, is:
The correct answer is: ![fraction numerator 19 over denominator 3 end fraction](data:image/png;base64,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)
= ![fraction numerator 1 over denominator 2 A squared plus A minus 20 end fraction open square brackets table attributes columnalign center center columnspacing 1em end attributes row A 5 row 4 cell 2 A plus 1 end cell end table close square brackets](data:image/png;base64,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)
So ![fraction numerator 1 over denominator 2 A squared plus A minus 20 end fraction times open square brackets table attributes columnalign center center columnspacing 1em end attributes row straight A 5 row 4 cell 2 straight A plus 1 end cell end table close square brackets open square brackets table attributes columnalign center center columnspacing 1em end attributes row cell A minus 5 end cell B row cell 2 A minus 2 end cell C end table close square brackets](data:image/png;base64,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)
=
![fraction numerator 1 over denominator 2 A to the power of 2 end exponent plus A minus 20 end fraction](data:image/png;base64,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)
![open square brackets table row cell A left parenthesis A minus 5 right parenthesis plus 5 left parenthesis 2 A minus 2 right parenthesis end cell cell A B plus 5 C end cell row cell 4 left parenthesis A minus 5 right parenthesis plus left parenthesis 2 A plus 1 right parenthesis left parenthesis 2 A minus 2 right parenthesis end cell cell 4 B plus C left parenthesis 2 A plus 1 right parenthesis end cell end table close square brackets](data:image/png;base64,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)
= ![open square brackets table row 14 D row E F end table close square brackets](data:image/png;base64,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)
so
= 14
A = 3, ![fraction numerator negative 10 over denominator 3 end fraction](data:image/png;base64,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)
Related Questions to study
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