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0 votes
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in Mathematics by (71.2k points)

R = (3 + √5)2n and f=R-[R], Where [ ] is an integer part function then R(1-f) =_____

(a) 22n 

(b) 42n 

(c) 82n 

(d) 42n

1 Answer

+1 vote
by (76.3k points)
selected by
 
Best answer

Correct option: (b) 42n

Explanation:

Now R (1-f ) = RF

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