Question

find the value of (x/y + y/z + z/x)² when x = -1, y=2, z=1​

Answer 1

Answer:

1/2

Step-by-step explanation:

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

Sol:put the values of x,y,z

(-1/2+2/1+1/-1)

(-1/2+2-1)

by taking LCM

(-1+2×2-1×2)/2

(-1+4-2)/2

1/2