Question

pls answer this question u get 50 point

Answer 1

x2+y2-5y=0..means the first one option as the values are given and we could find the answer by filling them properly....the value of x is 2 and y is 1..hence x2.,2×2=4...y2.,1×1=1---- x2+y2-5y=0
2×2+1×1-5×1=0
4+1-5=0
5-5=0
0=0
hence first one is the answer

Answer 2

I hope this relates. ....