{"result":{"text":"table attributes columnalign left end attributes row cell capital delta upsilon equals upsilon apostrophe minus upsilon apostrophe apostrophe equals upsilon open parentheses fraction numerator v plus v subscript c a r end subscript over denominator v end fraction close parentheses minus upsilon open parentheses fraction numerator v minus v subscript c a r end subscript over denominator v end fraction close parentheses equals fraction numerator 2 upsilon v subscript c a r end subscript over denominator v end fraction end cell row cell space space space space space space equals fraction numerator 2 cross times 850 cross times 20 over denominator 340 end fraction equals 100 H z end cell end table"},"status":"ok"}