document.write( "Question 948046: write the expression in the standard form a+bi: 2i^15-i^7. \n" ); document.write( "
Algebra.Com's Answer #802101 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! Patterns of powers of i:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "i^0 = 1 \n" ); document.write( "i^1 = i \n" ); document.write( "i^2 = -1 \n" ); document.write( "i^3 = -i\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2i^15 - i^7 = 2(-i) - i = -3i \n" ); document.write( " |