Let `Q^(+)`be the set of all positive rationals then the operation * on `Q^(+)` defined by a*b `=(ab)/(2)` for all `a, b in Q^(+)` is

Q^(+) is the set of all positive rational numbers with the binary operation * defined by a*b=(ab)/(2) for all a,b in Q^(+). The inverse of an element a in Q^(+) is a (b) (1)/(a)( c) (2)/(a) (d) (4)/(a)

Q^+ is the set of all positive rational numbers with the binary operation * defined by a*b= (a b)/2 for all a ,\ b in Q^+ . The inverse of an element a in Q^+ is a (b) 1/a (c) 2/a (d) 4/a

Let Q^(+) be the set of all positive rational numbers (i) show theat the operation * on Q^(+) defined by a* b = 1/2 (a+b) is binary operation (ii) show that * is commutative (iii) show that * is not associative

Find the identity element in set Q^(+) of all positive rational numbers for the operation * defined by a^(*)b=(ab)/(2) for all a,b in Q^(+)

Find the identity element in set Q^+ of all positive rational numbers for the operation * defined by a*b=(a b)/2 for all a , b in Q^+dot

Find the identity element in set Q^+ of all positive rational numbers for the operation * defined by a*b= (a b)/2 for all a , b in Q^+dot

On the set Q^(+) of all positive rational numbers a binary operation * is defined by a*b=(ab)/(2) for all a,b in Q^(+). The inverse of 8 is (1)/(8) (b) (1)/(2)(cc)2(d)4

On the set Q^+ of all positive rational numbers a binary operation * is defined by a * b=(a b)/2 for all a ,\ b in Q^+ . The inverse of 8 is (a) 1/8 (b) 1/2 (c) 2 (d) 4