If x is a real number such that log3 5 = log5 (2 + x), then which of the following is true?
Correct Answer :
3 < x < 23
Solution :
Correct Option: D
log35 = log5 (x + 2)
log33 < log3 5 < log39
1 < log35 < 2
So, 1 < log5 (x + 2) < 2
51 < x + 2 < 52
3 < x < 23
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