Question

A= {(x,y) : x² + y² = 25 ,x,y € Z}is this a finite set or infinite set?​

Answer 1

Answer:

$x \times x \times y \times y =25 \\ x = 12.5 \y = 12.5 \\ a = 12.5$

Answer 2

Answer:

FINITE SET

Step-by-step explanation:

Z = {4, 3}

x*2 +y*2 = 25

4*2+ 3*2= 16 + 9

            = 25

so 4 and 3 are the elements of Z