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PUT QUESTIONS OF LOGARITM THAT WERE ASKED IN JEE MAINS
If 1/3×log(base3)M + 3×log(base3)N = 1+ log(base0.008)5 then which of these is true?
a) M^9 = 9/N
b) N^9 = 9/M
c) M^3 = 3/N
d) N^9 = 3/M
[CAT]
Option (b) is correct…
If (5.55)^x = (0.555)^y = 1000. Find the value of (1/x)-(1/y). [CAT]
x (log 555 – 2) = y (log 555 – 3) = 3 (Taking log to the base 10 on both sides). x = 3 / (log 555 – 2) and y = 3 / (log 555 – 3).
1/x – 1/y = (log 555 – 2 – log 555 + 3 ) / 3 = 1 / 3 which is the answer.
thanks for the source
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Achchha question tha
Abe adarsh
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