Question

1.
If A = {2,3,4,5,6,7,8,9} given by
R = {(x,y):x € A, y e A and x divides y}
then find the domain and range of R.​

Answer 1

Answer:

tex] \begin{lgathered}\tt \implies \: (25 - x) {}^{2} = (x) {}^{2} + (5) {}^{2} \\ \tt \implies625 - 50 + x {}^{2} = x {}^{2} + 25 \\ \tt \implies - 50x