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The value of log94123612361236123 is 

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By Expert Faculty of Sri Chaitanya
a
-2
b
-1
c
-12
d
None of these

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detailed solution

Correct option is C

Let x=1236−1236−1236−123⋯∞⇒ x=1236−x⇒ 12x2+x−6=0⇒ (3x−2)(4x+3)=0⇒ x=23⇒ log94⁡1236−1236−1236−123⋯∞=log94⁡23=−12


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