SATHEE: Relations Question 30

Relations Question 30

Question: Let R be the set of real numbers and the functions $ f:R\to R $ and $ g:R\to R $ be defined by $ f( x )=x^{2}+2x-3 $ and $ g( x )=x+1. $ If $ f( g( x ) )=g( f( x ) ) $ for some value of x, then $ |x| $ is

Solution:

Answer: 1

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Relations Question 30

Question: Let R be the set of real numbers and the functions $ f:R\to R $ and $ g:R\to R $ be defined by $ f( x )=x^{2}+2x-3 $ and $ g( x )=x+1. $ If $ f( g( x ) )=g( f( x ) ) $ for some value of x, then $ |x| $ is

Solution:

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