Question

X-2y=4 then solution of 2√2,√2-2

Answer 1

Given: X-2y=4  

2√2, √2-2) means x =2 √2 and y = √2-2

LHS:

x – 2y = 2√2 – 2 * √2-2

                   = 2√2 –0

                   = -2√2≠ RHS      

So, (√2, 4√2) is not the solution of given equation.