document.write( "Question 1096834: the first and last teem of an AP are 0 and 108.if the sum the series is 702.find d number of term in the AP and the common difference \n" ); document.write( "
Algebra.Com's Answer #711226 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! Sum=(n/2)(a1+an) \n" ); document.write( "702=(n/2)(0+108) \n" ); document.write( "1404=108n \n" ); document.write( "n=13 terms \n" ); document.write( "last term is a1+d(n-1) \n" ); document.write( "108=d(12) \n" ); document.write( "d=9 difference \n" ); document.write( "the series is 0,9,18,27,36,45,54,63,72,81,90,99,108 \n" ); document.write( "that adds to 702. \n" ); document.write( " |