document.write( "Question 1106617: If P(n,2)=20 then what is the value of n? Show your solution
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Algebra.Com's Answer #721630 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! If P(n,2)=20 then what is the value of n? Show your solution \n" ); document.write( "--------- \n" ); document.write( "(n+1)*n = 20 \n" ); document.write( "--> 5*4 = 20 \n" ); document.write( " \n" ); document.write( " |