document.write( "Question 973197: If 6 times number of permutation of n items taken 3 at a time is equal to 7 times no of permutation ( n-1) item taken 3 at a time then n value is \n" ); document.write( "
Algebra.Com's Answer #595424 by Edwin McCravy(20055)\"\" \"About 
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If 6 times number of permutation of n items taken 3 at a time is equal to 7 times
\n" ); document.write( "no of permutation ( n-1) item taken 3 at a time then n value is?
\n" ); document.write( "---------\r
\n" ); document.write( "\n" ); document.write( "6∙(nP3) = 7∙[(n-1)P3]\r
\n" ); document.write( "\n" ); document.write( "\"6%2A%28n%2A%28n-1%29%2A%28n-2%29%5E%22%22%29\"\"%22%22=%22%22\"\"7%2A%28%28n-1%29%2A%28n-2%29%2A%28n-3%29%5E%22%22%29\"\r
\n" ); document.write( "\n" ); document.write( "\"6%2A%28n%2Across%28%28n-1%29%2A%28n-2%29%29%5E%22%22%29\"\"%22%22=%22%22\"\"7%2A%28cross%28%28n-1%29%2A%28n-2%29%29%2A%28n-3%29%5E%22%22%29\"\r
\n" ); document.write( "\n" ); document.write( "\"6%2An\"\"%22%22=%22%22\"\"7%2A%28n-3%29\"\r
\n" ); document.write( "\n" ); document.write( "\"6%2An\"\"%22%22=%22%22\"\"7%2An-21\"\r
\n" ); document.write( "\n" ); document.write( "\"-n\"\"%22%22=%22%22\"\"-21\"\r
\n" ); document.write( "\n" ); document.write( "\"n\"\"%22%22=%22%22\"\"21\"\r
\n" ); document.write( "\n" ); document.write( "Edwin
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