document.write( "Question 1119363: find the value of n in the following; nP4=30nP2 \n" ); document.write( "

Algebra.Com's Answer #734887 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "The condition gives this equation\r\n" );
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document.write( "n*(n-1)*(n-2)*(n-3) = 30*n*(n-1)  ====>\r\n" );
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document.write( "(n-2)*(n-3) = 30\r\n" );
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document.write( "The product of two consecutive positive integers is  30  ====>  the integers are\r\n" );
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document.write( "n-2 = 6,  n-3 = 5.\r\n" );
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document.write( "Hence n = 8.\r\n" );
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document.write( "Answer.  n = 8.\r\n" );
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