Question

c={x,y)=x2+y2=25,x,y€Z}​

Answer 1

Answer:

x^2+y^2=25. [we know Z= all positive and negative number including 0]

x=√(25+y^2)

so ,put the value of y=z and you will find value of x

(plz mark as brainlists :)

Answer 2

Answer:

Z = {3, 4}

Step-by-step explanation:  

c= {x, y) =x2+y2=25,x,y€Z}

x2 +y2 = 4*2+ 3*2

            =16 +9 =25

so its elements are 4 and 3 probably.