{"result":{"text":"table attributes columnalign left end attributes row cell F r o m space f i g u r e comma space L equals 2 h minus 2 y plus square root of x squared plus h squared end root end cell row cell D i f f e r e n t i a t i n g space t h e space e q u a t i o n comma space w e space g e t end cell row cell fraction numerator d y over denominator d t end fraction equals fraction numerator x over denominator 2 square root of h squared plus x squared end root end fraction fraction numerator d x over denominator d t end fraction end cell row cell rightwards double arrow v subscript B equals fraction numerator x v subscript A over denominator 2 square root of h squared plus x squared end root end fraction end cell end table"},"status":"ok"}