Question

Determine the nature of the root :
(x – 2a)(x – 2b) = 4ab

Answer 1

when i solved , i get,
x^2-2x(a+b)=0
D = b^2-4ac= 4(a+b)>0
Hence, roots are real..
i just want to confirm my answer

Answer 2

D = b^2-4ac= 4(a+b)^2>0

Answer 3

agree :)

Answer 4

thank u

Answer 5

yw