{"result":{"text":"begin mathsize 14px style A equals open curly brackets x colon x equals 3 n comma n element of N space a n d 1 less-than or slanted equal to n less-than or slanted equal to 4 close curly brackets comma B equals open curly brackets x colon x equals n squared comma n element of N space a n d space 1 less-than or slanted equal to n less-than or slanted equal to 10 close curly brackets end style"},"status":"ok"}