Question

If x, y, z are in A.P., then find the value of (x+y-z) (y+z-x). ​

Answer 1

Hope this helps if so please mark as brainliest.

Answer 2

X,Y,Z are in AP

then y-x=z-y

2y=x+z

y=x+z/2

According to question

(x+y-z)(-x+y+z)

x-z+x+z  (-x+x+z +z)

       2            2

(2x-2z+x+z)        (x+z+2z-2x)

2                            2

1/4 (3x-z)(3z-x)