JEE Main 20 July 2021 Shift 2 Solved Paper

Section: Mathematics
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Question : 79 of 90
 
Marks: +1, -0
If sum of the first 21 terms of the serieslog9∕2x+log91∕3x+log9∕4x+...... where x>0 is 504 , then x is equal to
[20 Jul 2021 Shift 2]
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