CTET Paper 1 · Mathematics-CTET
The sum of 1 - 1 + 1 - 1 + 1 - 1... up to even number of terms is-
- Zero
- -1
- +1
- 2
1 - 1 + 1 - 1 + 1 - 1... का सम संख्यक पदों तक योग है-
- शून्य
- -1
- +1
- 2
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