MCQ
The factors of $a^2-1-2 x-x^2$, are
- A$(a-x+1)(a-x-1)$
- B$(a+x-1)(a-x+1)$
- ✓$(a+x+1)(a-x-1)$
- Dnone of these
✓
Answer
Correct option: C.
$(a+x+1)(a-x-1)$
c
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