Question

if root m + root n - root p = 0 then find (m + n - p)^2

Answer 1

√m+√n-√p=0
√m+√n=√p
squaring on both sides
m+n+2√(mn)=p
m+n-p= 2√(mn)
the value of (m+n-p)²=(-2√(mn))²
=4mn