{"result":{"text":"therefore space p subscript 0 left parenthesis l A right parenthesis equals p apostrophe left parenthesis l minus x right parenthesis A rightwards double arrow p apostrophe equals fraction numerator p subscript 0 l over denominator l minus x end fraction space space space space space space space space space space space space space space..... left parenthesis i right parenthesis"},"status":"ok"}