Question

if x=3/5,y=17/35,z=4/7 then check that (x-y)-z not equals tox-(y-z)

Answer 1

(X-y)-z = (3/5-17/35)-4/7
(21-17-20)/35
-16/35
X-(y-z) 3/5 -(17/35-4/7)
= 3/5 -(-3/35)
= 3/5+ 3/35
24/35
Hence proved not equal