Q. 424.0( 4 Votes )

Let <img wi A. f–1 (x) = f (x)

B. f–1 (x) = – f (x)

C. (f o f) x = – x

D.

Answer :

Given that,

Let f(x) = y

⇒

⇒ (5x-3)y = 3x+2

⇒ 5xy-3y = 3x+2

⇒ 5xy–3x = 2+3y

⇒ (5y-3)x = 2+3y

⇒

⇒ [∵ f(x) = y, ⇒ x = f^-1(y)]

⇒

⇒ f^-1(x) = f(x)

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Let <img wi A. f–1 (x) = f (x)B. f–1 (x) = – f (x)C. (f o f) x = – xD.