{"result":{"text":"begin mathsize 14px style open y apostrophe equals fraction numerator 2 a over denominator y end fraction close vertical bar subscript open parentheses h comma k close parentheses end subscript open negative fraction numerator 2 a over denominator k end fraction midline horizontal ellipsis open parentheses 1 close parentheses y apostrophe equals fraction numerator x over denominator 2 a end fraction close vertical bar subscript open parentheses h comma k close parentheses end subscript end style"},"status":"ok"}