Q171
The value of x^2 - ( y - z )^2 ( x + z )^2 - y^2 + y^2 - ( x - z )^2 ( x + y )^2 - z^2 + z^2 - ( x - y )^2 ( y + z )^2 - x^2 is = ?
The value of is = ?
A.
-1
B.
0
C.
1
AnswerD.
None of these
Answer: Option C
Solution
Answer: Option C
Solution: