Question

Consider the set equation. Define *  onX by



equation.

09 Jan 2026
Answer :
Word Count : 145
Let (X=\mathbb{R}\setminus{-1}) and define (x_1*x_2=x_1+x_2+x_1x_2) for all (x_1,x_2\in X). First note that (x_1*x_2=(1+x_1)(1+x_2)-1). Since (x_1\neq -1) and (x_2\neq -1), we have (1+x_1\neq 0) and _____ ____ ___ ___ ______ __________ _____ _____ _________ __________ ______.
__________ _________ ____ ________ ______ ______ _______ ________ __________ ____.
___ ________ ________ _______ ____ _________ ____ _____.
___ ________ __________ _________ ______ __________ __________ _________ _____.
____ __________ ____ _____ _________ __________ _______ _______.
____ __________ ________ _____ _________ _______ ________ __________ ________ ___.
_______ ______ ________ _______ _____ ___ __________ _____ __________ ___ _______.
_________ ________ ___ ____ ____ ______ _____ ______.
_________ ________ ______ _____ _____ ______ _____ ____ __________ _______ ________.
___ _________ ______ ______ ____ ____ _______.
_____ ______ ________ ______ __________.
___ _______ ___ _________ _________ _________ __________.
_________ _________ ___ _________ __________ ______ ____ ______.
_________ _____ __________ __________ ______ ____ ___ ________.
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