document.write( "Question 977412: Find the common ratio when a2 = 64 and a5 = 8. \n" ); document.write( "
Algebra.Com's Answer #598988 by anand429(138)![]() ![]() You can put this solution on YOUR website! As per standard GP notation \n" ); document.write( "a*r = a =64 -(i) \n" ); document.write( "and, \n" ); document.write( "a*r^4 = a5 = 8 -(ii) \n" ); document.write( "Dividing (ii) by (i) \n" ); document.write( "r^3 = 1/8 \n" ); document.write( "i.e. r = 1/2 \n" ); document.write( " |