- 0 and 1
- -1 and 0
- None of these
- -1 and +1

**Right Answer:**-1 and +1

January 4, 2018 Asghar Khan Statistic

Total 0 Votes:

0

0

- 0 and 1
- -1 and 0
- None of these
- -1 and +1

**Right Answer:**-1 and +1

January 4, 2018 Asghar Khan Statistic

Total 0 Votes:

0

0

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