{"result":{"text":"rightwards double arrow epsilon equals negative v e space and space constant. For T over 4 less than t less than T over 2. space i space is space constant therefore fraction numerator d i over denominator d t end fraction equals 0 rightwards double arrow epsilon equals 0. space for T over 2 less than t less than fraction numerator 3 T over denominator 4 end fraction"},"status":"ok"}