document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1002206>Question 1002206</A>: <I><SPAN STYLE=\"word-break: break-all;\"> given 4 distinct objects, if 2 objects are taken at the time, the possible number combinations is equal 2. True or false?<BR>\n" );
document.write( "*note: I used the combination formula nCr and I got 2. So \"False.\" Just wanted  to be sure if it was the right application I made. Thank you  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #619241 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=619241\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> nCr formula is n! / (r! * (n-r)!\r<BR>\n" );
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document.write( "4C2 formula becomes 4! / (2! * (4-2)! which becomes 4! / (2! * 2!) which becomes (4*3*2!) / (2!*2!) which becomes (4*3)/2! which becomes 6.\r<BR>\n" );
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document.write( "your answer should have been 6.\r<BR>\n" );
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document.write( "let the 4 distinct objects be a, b, c, d\r<BR>\n" );
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document.write( "the possible combinations, taken 2 at a time, are:\r<BR>\n" );
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document.write( "ab<BR>\n" );
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document.write( "cd\r<BR>\n" );
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document.write( "that's 6 possible combinations.\r<BR>\n" );
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document.write( "you used the correct formula, but you must have applied it wrong, or you explained it wrong.\r<BR>\n" );
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document.write( "4C2 = 4! / (2! * 2!) = (4*3*2*1) / (2*1*2*1)\r<BR>\n" );
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document.write( "get rid of the 1's because they don't add anything to it, and you get:\r<BR>\n" );
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document.write( "4C2 = (4*3*2) / (2*2) which becomes (4*3*2) / 4 which becomes 3*2 = 6\r<BR>\n" );
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document.write( "false is the correct answer because 6 is not equal to 2.\r<BR>\n" );
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document.write( "your last statement, however, doesn't make sense because you say:\r<BR>\n" );
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document.write( "*note: I used the combination formula nCr and I got 2. So \"False.\" Just wanted to be sure if it was the right application I made. Thank you \r<BR>\n" );
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document.write( "if you got 2, then you should have said true.\r<BR>\n" );
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document.write( "perhaps you meant you didn't get 2?\r<BR>\n" );
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document.write( "you got the answer right but your explanation was confusing.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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