Question

17=> ==show that:
-
show that:
xyz
abc​

Answer 1

Step-by-step explanation:

Let x/a = y/b = z/c = k. x = ak, y = bk, z = ck. L.H.S. = x3/a3 – y3/b3 + z3/c3 ⇒ a 3k3/a3 – b3k3/b3 – c3k3/c3. ⇒ k3 – k3 + k3 .