Question

if √m + √n - √p = 0, then find the value of (m + n - p )2

Answer 1

Given √m + √n = √p
square both sides: m + n + 2√(mn) = p
so m+n- p = - 2√(mn)
so (m + n - p)² = 4 m n

Answer 2

Soooo confusing. I am not that good in mathematics