Question

plz solve this question ⤴️
plz help me it's very urgent ​

Answer 1

Answer:

Step-by-step explanation:

(x+y)(x-y)+(y+z)(y-z)+(z-x)(z+x)=0

solve the LHS

(x^2-y^2)+(y^2-z^2)+(z^2-x^2)

x^2-y^2+y^2-z^2+z^2-x^2

all will be cut and remain 0