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+1 vote
2.1k views
in Sets, Relations and Functions by (50.2k points)
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Let f :R - {3/5}→ R be defined by f (x) = (3x + 2)/(5x  - 3).Then 

(A) f –1 (x) = f (x) 

(B) f –1 (x) = – f (x) 

(C) ( f o f ) x = – x 

(D) f –1 (x) = 1/19 f(x)

1 Answer

+2 votes
by (48.8k points)
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Best answer

⇒ (5x-3)y = 3x+2

⇒ 5xy-3y = 3x+2

⇒ 5xy–3x = 2+3y

⇒ (5y-3)x = 2+3y

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