Question

find the number of ordered pairs ( x , y ) of integers such that x² + y² no span pls​

Answer 1

Answer:

please mark as brainliest and follow

Step-by-step explanation:

Hi,

x^2 + y^2 ≤ 5

ordered pairs (x,y) of integers satisfying this... would be any on or within the circle:

for Ex: (0,0) and those using ±1 or ±2

Answer 2

Answer:

x

2

−y

2

=12345678(x,yϵ1

+

)

RHS is even, so, x & y should be odd integer but difference square of two odd integer is multiple of 8 but RHS is not multiple of 8