यदि फलन f : R to R, f(x)=x^2 तथा g : R...

यदि फलन `f : R to R, f(x)=x^2` तथा `g : R to R ,g(x) =sin x , x in R` से परिभाषित हो , तो (gof ) (x) और (fog)(x) ज्ञात कीजिए तथा सिद्ध कीजिए कि `gof ne fog`

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