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Let g : R → R be given by g(x) = 3 + 4x. If gn (x) = gog o.........o g(x), then g–n (x) equals where g–n (x) denotes inverse of gn (x)

(A) (4n – 1) + 4n

(B) (x + 1) 4–n – 1 

(C) (x + 1) 4n – 1 

(D) (4–n – 1) x + 4n

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Correct Option:- (B) (x + 1) 4–n – 1

Explanation :-

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