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Home / Doubts and Solutions/JEE/Mathematics

please solve the question

Asked by jaychandran1967 15th December 2017, 4:56 PM
Answered by Expert
Answer:
begin mathsize 16px style log subscript 7 space end subscript open parentheses log subscript 7 to the power of 7 space end subscript straight x close parentheses minus log subscript 5 open parentheses log subscript 7 straight x close parentheses equals negative 1 log subscript 7 space end subscript open parentheses 1 over 7 log subscript 7 space end subscript straight x close parentheses minus log subscript 5 open parentheses log subscript 7 straight x close parentheses equals negative 1 open parentheses log subscript 7 space end subscript open parentheses 1 over 7 close parentheses plus log subscript 7 space end subscript open parentheses log subscript 7 space end subscript straight x close parentheses close parentheses minus log subscript 5 open parentheses log subscript 7 straight x close parentheses equals negative 1 minus 1 plus log subscript 7 space end subscript open parentheses log subscript 7 space end subscript straight x close parentheses minus log subscript 5 open parentheses log subscript 7 straight x close parentheses equals negative 1 log subscript 7 space end subscript open parentheses log subscript 7 space end subscript straight x close parentheses equals log subscript 5 open parentheses log subscript 7 straight x close parentheses possible space only space if space straight x equals 1 option left parenthesis 1 right parenthesis end style
Answered by Expert 17th December 2017, 5:08 PM
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