{"result":{"text":"Let space A subscript kappa equals fraction numerator C presuperscript n subscript kappa over denominator C presuperscript n subscript kappa plus to the power of n C subscript kappa plus 1 end subscript end fraction. If space 3 square root of sum from kappa equals 0 to n of A subscript kappa equals 4 space end root then space straight n space equals"},"status":"ok"}