You are viewing a single comment's thread from:RE: Test Your Math Skills and Win SBD # 2View the full contextView the direct parentdkmathstats (61)in #contest • 7 years ago For the third one, the restriction is at x = 0.
@dkmathstats, yes but the questions says If X is a negative integer. 0 is a special number.
Zero is neither negative nor positive.
There may be confusion in the third question.
I'm viewing the third question as the first one from the above. Given
xas a negative, the sum is negative.