Can some one please solve theses two questions.

15 is undefined 16 is undefined too

Example:

The square root of a negative number does not exist in the set of a real number

idk you know what i mean hahahaha

explanation:

hitler's  "rise" can be considered to have ended in march 1933, after the reichstag adopted the enabling act of 1933 in that month. president paul von hindenburg had already appointedhitler  as chancellor on 30 january 1933 after a series of parliamentary elections and associated backroom intrigues.