document.write( "Question 924501: f a,b,c and d are in H.P then ab+bc+cd equals\r
\n" ); document.write( "\n" ); document.write( "A)3ad
\n" ); document.write( "b)3ac
\n" ); document.write( "c)3bd
\n" ); document.write( "d)(a+b)(a-b)
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Algebra.Com's Answer #560881 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "let \"a=1%2F2\", \"b=1%2F4\", \"c=1%2F6\" and \"d=1%2F8\"
\n" ); document.write( "When you substitute and check what you get for the answer.\r
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\n" ); document.write( "\n" ); document.write( "now go to answer options and check which one will give you \"highlight%283%281%2F16%29%29\"\r
\n" ); document.write( "\n" ); document.write( "start with option A:\r
\n" ); document.write( "\n" ); document.write( "\"3ad=3%281%2F2%29%281%2F8%29=highlight%283%281%2F16%29%29\" ...so, option A is your answer
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