document.write( "Question 30332: Quesion: Which wquation below is the quadratic equation in standard form that results whsn you substitute u+x^-2 into the equation x^-4 -32 = 4x^-2 ?\r
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\n" ); document.write( "(a) 1/u^2 - 4/u -32 =0
\n" ); document.write( "(b) u^2 -4u -32 = 0
\n" ); document.write( "(c) u^4 -4u^2 -32 =0
\n" ); document.write( "(d) u^-2 -4u +32 = 0
\n" ); document.write( "(e) 1/u^2 +4/u -32 =o
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Algebra.Com's Answer #17022 by Cintchr(481)\"\" \"About 
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This is a duplicate of Question 30331 in Linear_Algebra
\n" ); document.write( "See the solution there.
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