Factorising (x – y)2 + 4xy – z2, we get
A (x + y + z)(x + y – z)
B (x – y – z)(x + y – z)
C (x – y + z)(x + y – z)
D None of these
Factorising (x – y)2 + 4xy – z2, we get
A (x + y + z)(x + y – z)
B (x – y – z)(x + y – z)
C (x – y + z)(x + y – z)
D None of these