document.write( "Question 842121: prove that a/p + a + ap + ... + ap^n = (a-ap^n+2)/(p-p^2) \n" ); document.write( "

Algebra.Com's Answer #507455 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Hint : What if you multiply both sides by $\"p\"$ .
\n" ); document.write( "The left hand side would look like,
\n" ); document.write( " $\"sum%28ap%5En%2Cn=0%2Cinfinity%29\"$
\n" ); document.write( "That looks familiar.\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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