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23 Apr 2019, 00:53
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C
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Difficulty:
55%
(hard)
Question Stats:
54% (01:19) correct
46%
(01:36)
wrong
based on 378
sessions
History
Date
Time
Result
Not Attempted Yet
What is the value of 
4.23.png [ 1.02 KiB | Viewed 7492 times ]
?
A. 1
B. 2
C. 3
D. 4
E. 5
Attachment:
4.23.png [ 1.02 KiB | Viewed 7492 times ]
A. 1
B. 2
C. 3
D. 4
E. 5
23 Apr 2019, 03:55
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Here is the approach
Let the whole expression be x
We can observe that 6 is divided by x too, as the division process is endless, so we have got
x=1+\(\frac{6}{x}\)
\(x^2\)-x-6=0
(x-3)(x+2)=0
x=3; x=-2
IMO
Ans: C
Let the whole expression be x
We can observe that 6 is divided by x too, as the division process is endless, so we have got
x=1+\(\frac{6}{x}\)
\(x^2\)-x-6=0
(x-3)(x+2)=0
x=3; x=-2
IMO
Ans: C
General Discussion
24 Apr 2019, 02:46
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LevanKhukhunashvili I understand your working out but how can we observe that 6 is divided by x.
I made mine y=1+ (6/x) . Obviously that is wrong however I don't understand why you made yours x equals
I made mine y=1+ (6/x) . Obviously that is wrong however I don't understand why you made yours x equals
