Discrete math

Question

Answer 1

a) (a,b) R (x,y) ==> ay=bx

    (x,y) R (P,Q) ==> xq=yp

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   (a,b) R (p,q) ==> we need to prove aq=bp 

ay=bx

a(xq/p) = b(yp/q)

aq(x/p)= bp(y/q) where x/p =y/q so aq=bp