यदि \(f:\mathbb{R}\to\mathbb{R}\) और \(g:\mathbb{R}\to\mathbb{R}\) में (f(x)=x+1), (g(x)=2x), तो (\(f\circ g\)(x)) और (\(g\circ f\)(x)) के बारे में सही कथन कौन सा है?
If \(f:\mathbb{R}\to\mathbb{R}\) and \(g:\mathbb{R}\to\mathbb{R}\) are given by (f(x)=x+1), (g(x)=2x), which statement about (\(f\circ g\)(x)) and (\(g\circ f\)(x)) is correct?
Explanation opens after your attempt
B. (\(f\circ g\)(x)=2x+1) और (\(g\circ f\)(x)=2x+2)(\(f\circ g\)(x)=2x+1) and (\(g\circ f\)(x)=2x+2)
Concept
(f(g(x))=f(2x)=2x+1)। / (f(g(x))=f(2x)=2x+1).
Why this answer is correct
(g(f(x))=g(x+1)=2x+2)। / (g(f(x))=g(x+1)=2x+2).
Exam Tip
फलनों का संयोजन सामान्यतः क्रमविनिमेय नहीं होता। / Composition of functions is not generally commutative.
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