document.write( "Question 229416: 1. Find the following sum : 6 + 8 +8 +10 + 12 +.......+100.\r
\n" );
document.write( "\n" );
document.write( "2. Find the nth term 7,49,343,2401,...
\n" );
document.write( " 4,12,20,28.....
\n" );
document.write( " 2,6,12,20 \n" );
document.write( "
Algebra.Com's Answer #170115 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 1. Find the following sum : 6 + 8 +8 +10 + 12 +.......+100. \n" ); document.write( "Does it have 2 8's? \n" ); document.write( "If it has one 8: \n" ); document.write( "From 6 to 100 inclusive is 95 terms. 47 are odd, 48 are even. \n" ); document.write( "--> 24 pairs of terms that total 106, 6+100, 8+98, 10+96. etc \n" ); document.write( "Sum = 24*106 = 2544 \n" ); document.write( "--------- \n" ); document.write( "If 2 8's, add 8 = 2552 \n" ); document.write( "------------ \n" ); document.write( "------------ \n" ); document.write( "2. Find the nth term 7,49,343,2401,... \n" ); document.write( "7^n \n" ); document.write( "------ \n" ); document.write( "4,12,20,28..... \n" ); document.write( "8n + 4, n = 0,1,2... \n" ); document.write( "-------- \n" ); document.write( "2,6,12,20 \n" ); document.write( "I'm working this one. Repost it, someone else might help. \n" ); document.write( " |