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Question

If a=log24 12,b=log36 24,c=log48 36, then 1 + abc is equal to

A
2 ac
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B
2 bc
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C
2 ab
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D
None of these
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Solution

The correct option is B 2 bc
abc=log12log24.log24log36.log36log48=log12log48
1+abc=log48+log12log48=log(48.12)log48
=log242log48=2.log24log48=2bc

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