document.write( "Question 248888: Hi. My question is how do I write the following in simplified radical form by rationalizing the denominator? \r
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document.write( " 2sqrt2+1
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document.write( "-5sqrt2+3\r
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document.write( "I've been at it for 2 hours. I've tried using the conjugate but it's confusing because it seems to be written in a different form than the textbook. I've gotten 2 different answers, the latest one being:\r
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document.write( "-3-21sqrt2
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document.write( " 41\r
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document.write( "I'm not sure if I doing this right. If someone could help me, it would be greatly appreciated. Thank you.\r
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Algebra.Com's Answer #181358 by Theo(13342)![]() ![]() You can put this solution on YOUR website! your equation is:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the conjugate of the denominator would be \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "multiply the expression by \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "perform the indicated operations to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you got the denominator ok.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you got pieces of the numerator ok but something went wrong somewhere.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the numerator became:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "multiplying these terms together you would get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "combining like terms you would get \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your answer is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |