How do you evaluate #abs7#?
2 Answers
Jan 13, 2017
Explanation:
We use the definition:
# |x| = { (-x, x lt 0), (0, x = 0), (x, x gt 0) :} #
Which gives
Jan 14, 2017
Explanation:
Consider the following:
So whatever is inside the | | is considered to give only a positive value as an answer to that part.