{"result":{"text":"table attributes columnalign left end attributes row cell G i v e n space space space space space S subscript n equals 1 plus 1 half plus 1 over 2 squared plus...... plus 1 over 2 to the power of n minus 1 end exponent end cell row cell equals fraction numerator 1 open parentheses 1 minus open parentheses 1 half close parentheses to the power of n close parentheses over denominator open parentheses 1 minus 1 half close parentheses end fraction rightwards double arrow S subscript n equals 2 minus 1 over 2 to the power of n minus 1 end exponent end cell row cell therefore 2 minus S subscript n equals 1 over 2 to the power of n minus 1 end exponent less than 1 over 100 end cell end table"},"status":"ok"}