{"result":{"text":"begin mathsize 14px style l subscript 1 colon open parentheses 3 plus t close parentheses i with hat on top plus open parentheses negative 1 plus 2 t close parentheses j with hat on top plus open parentheses 4 plus 2 t close parentheses k with hat on top comma space minus infinity less than t less than infinity end style"},"status":"ok"}