Question

if x-y=4 and xy=2 then find the value of x^2+y^2

Answer 1

Answer:

HOPE THUS WOULD BE HELPFUL

Step-by-step explanation:

x-y=4

xy=2

(x-y)^2=x^2+y^2-2xy

=>4^2=x^2+y^2-2(2)

=>16=x^2+y^2-4

=>x^2+y^2=16+4

=>x^2+y^2=20(ans.)

Answer 2

Answer:

Hope it is helpful for you