Question

if z^1/2 = x^1/2 + y^1/2 show that (x+y-z) = 4xy

Answer 1

Answer:

  √z = √x + √y

⇒ z = (√x + √y)² = x + y + 2√(xy)

⇒ x + y - z = -2√(xy)

⇒ (x + y - z)² = 4xy

Answer 2

Answer:

x^1/2+y^1/2-z1/2

√x+√y-√z