{"result":{"text":"table attributes columnalign left end attributes row cell r with rightwards arrow on top equals r with rightwards arrow on top subscript B minus r with rightwards arrow on top subscript A end cell row cell space space space equals a left parenthesis i with hat on top minus 2 i with hat on top plus 6 k with hat on top right parenthesis minus a left parenthesis i with hat on top plus 2 i with hat on top plus 3 k with hat on top right parenthesis equals a left parenthesis negative 4 j with hat on top plus 3 k with hat on top right parenthesis end cell end table"},"status":"ok"}