document.write( "Question 632016: Please help me solve this problem:
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document.write( "Find the eight term in the expansion of (a + b)10\r
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document.write( "thank you! \n" );
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Algebra.Com's Answer #397960 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! (a + b)^10 \n" ); document.write( "eighth term: \n" ); document.write( "10C7 a^(10-7)b^7 \n" ); document.write( "10C7 a^3b^7 \n" ); document.write( "10!/7!(10-7)! a^3b^7 \n" ); document.write( "(8*9*10)/3! a^3b^7 \n" ); document.write( "(8*9*10)/(3*2*1) a^3b^7 \n" ); document.write( "(8*9*10)/(1*2*3) a^3b^7 \n" ); document.write( "(4*9*10)/(1*3) a^3b^7 \n" ); document.write( "(4*3*10) a^3b^7 \n" ); document.write( "120a^3b^7\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |