Question

*
17. Factorize the following

a2 – x2 – 2x – 1
1-(-x + a – 1) (x + a + 1)
2-(a + 1) (a - 1) – x (x + 22)
3-{(a + 1) (a - 1) - x) (a? +
4-(a + x) (a – x) – (2x + 1)​

Answer 1

Answer:

options d is right I am not clearly

Answer 2

Question no 1. a2 – x2 – 2x – 1

Ans:- (a+x+1)(a−x−1) (Option no. 1)