Advertisements
Advertisements
Question
State, true of false:
If `("log"49)/("log"7)` = log y, then y = 100.
Options
True
False
MCQ
True or False
Advertisements
Solution
True.
`("log"49)/("log"7)` = log y
⇒ `("log"7^2)/("log"7)` = log y
⇒ `(2"log"7)/("log"7)` = log y
⇒ 2(1) = log y
⇒ 2log10 10 = log y
⇒ log10 102 = log10 y
⇒ log10 100 = log10 y
⇒ y = 100.
shaalaa.com
More About Logarithm
Is there an error in this question or solution?
