document.write( "Question 1206040: Without exp anding , prove that the following det er min atnts vanish ., |{{ b - c , c - a , c },{ c , b - x , a },{ c , a , c - x }}| = zero \n" ); document.write( "

Algebra.Com's Answer #843222 by math_tutor2020(3817) $\"\"$ $\"About$

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\n" ); document.write( "There might be a typo with your question.\r
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\n" ); document.write( "\n" ); document.write( "I plugged this into WolframAlpha
\n" ); document.write( "https://www.wolframalpha.com/input?i=determinant+%7B%7B+b+-+c+%2C+c+-+a+%2C+c+%7D%2C%7B+c+%2C+b+-+x+%2C+a+%7D%2C%7B+c+%2C+a+%2C+c+-+x+%7D%7D
\n" ); document.write( "and the result it produces is
\n" ); document.write( "-a^2b+3ac^2-acx+b^2c-b^2x-2bc^2+bx^2-c^3+3c^2x-cx^2\r
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\n" ); document.write( "\n" ); document.write( "Unfortunately, none of those terms cancel out so the whole thing does not go to zero.
\n" ); document.write( "I would carefully double-check to make sure you did not make an error typing in the expression. Also, I recommend contacting your teacher for further clarification.
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