document.write( "Question 158256: Prove 1 + 2^n < 3^n for n >=2 \n" ); document.write( "
Algebra.Com's Answer #116629 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
1 + 2^n < 3^n for n >=2
\n" ); document.write( "1+2^2<3^2
\n" ); document.write( "1+4<9
\n" ); document.write( "5<9
\n" ); document.write( "LET N=3
\n" ); document.write( "1+2^3<3^3
\n" ); document.write( "1+8<27
\n" ); document.write( "9<27
\n" ); document.write( "
\n" );