document.write( "Question 1152368: √x+√(1-x)+√(x(1-x))=1 \n" ); document.write( "
Algebra.Com's Answer #774416 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"sqrt%28x%29%2Bsqrt%281-x%29%2Bsqrt%28x%281-x%29%29=1\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%28x%29%2Bsqrt%281-x%29=1-sqrt%28x%281-x%29%29\".............square both sides\r
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\n" ); document.write( "\n" ); document.write( "\"%28sqrt%28x%29%2Bsqrt%281-x%29%29%5E2=%281-sqrt%28x%281-x%29%29%29%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%2B2sqrt%28x%281-x%29%29%2B1-x=1-2sqrt%28x%281-x%29%29%2Bx-x%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"2sqrt%28x%281-x%29%29%2B1=1-2sqrt%28x%281-x%29%29%2Bx-x%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-x%2B1-1=-2sqrt%28x%281-x%29%29-2sqrt%28x%281-x%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-x=-4sqrt%28x-x%5E2%29%29\".........square both sides\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%5E2-x%29%5E2=%28-4sqrt%28x-x%5E2%29%29%5E2+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E4+-+2+x%5E3+%2B+x%5E2=16+%28x+-+x%5E2%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E4+-+2+x%5E3+%2B+x%5E2=16+x+-+16x%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E4+-+2+x%5E3+%2B+x%5E2-16+x+%2B+16x%5E2=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E4+-+2+x%5E3+%2B+17x%5E2-16+x+=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%28x%5E3+-+2+x%5E2+%2B+17x-16+%29+=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%28x+-+1%29+%28x%5E2+-+x+%2B+16%29+=+0\"\r
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\n" ); document.write( "\n" ); document.write( "real solutions:\r
\n" ); document.write( "\n" ); document.write( "\"x=0\"
\n" ); document.write( "\"x=1\"\r
\n" ); document.write( "\n" ); document.write( "use the discriminant \"b%5E2-4ac\" to determine if solutions of \"+x%5E2+-+x+%2B+16+=+0+\" are real or complex
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\n" ); document.write( "\"b%5E2-4ac=%28-1%29%5E2-4%2A1%2A16=1-64=-63\"\r
\n" ); document.write( "\n" ); document.write( "since \"b%5E2-4ac%3C0+\"=> we have \"complex\" solutions and we \"do\"\"+not\" need them
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