Q.

The value of x satisfying the equation 53log55log55log55log5x2=3,is

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a

1

b

3

c

18

d

54

answer is D.

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Detailed Solution

Using aloga⁡N=N repeatedly, we get (53)log5⁡x2=3⇒ 5log5⁡x21/3=3⇒ x21/3=3⇒ x2=27⇒ x=54
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