Let * be a binary operation on `Q-{-1}` defined by `a*b=a+b+a b` for all `a ,\ b in Q-{-1}` . Then, Show that every element of `Q-{-1}` is invertible. Also, find the inverse of an arbitrary element.

Let ^(*) be a binary operation on Q-{-1} defined by a*b=a+b+ab for all a,b in Q-{-1}. Then,Show that every element of Q-{-1} is invertible.Also,find the inverse of an arbitrary element.

A binary operation @ on QQ-{1} is defined by a**b=a+b-ab for all a,binQQ-{1}. Prove that every element of QQ-{1} is invertible.

Let * be a binary operation on Q-{-1} defined by a * b=a+b+a b for all a ,\ b in Q-{-1} . Then, Show that * is both commutative and associative on Q-{-1} . (ii) Find the identity element in Q-{-1}

Let * be a binary operation on Q-{-1} defined by a*b=a+b+ab for all a,b in Q-{-1}. Then,Show that * is both commutative and associative on Q-{-1} (ii) Find the identity element in Q-{-1}

Let * be a binary operation o Q defined by a^(*)b=(ab)/(4) for all a,b in Q,find identity element in Q

Let * be a binary operation o Q defined by a*b= (ab)/4 for all a,b in Q ,find identity element in Q

The operation * on Q -(1) is define dby a*b = a+b - ab for all a,b in Q - (1) Then the identity element in Q -(1) is

Let ** be a binary operation on set QQ-{1} defined by a**b=a+b-abinQQ-{1}. e is the identity element with respect to ** on QQ . Every element of QQ-{1} is invertible, then value of e and inverse of an element a are---

Let ^(*) be a binary operation on set Q-[1] defined by a*b=a+b-ab for all a,b in Q-[1]. Find the identity element with respect to * on Q. Also,prove that every element of Q-[1] is invertible.

Let * be a binary operation on set Q-[1] defined by a*b=a+b-a b for all a , b in Q-[1]dot Find the identity element with respect to *onQdot Also, prove that every element of Q-[1] is invertible.