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If A2 = Log X , B3 = Log Y and A^2/2 - B^3/3 = Log C , Find C in Terms of X and Y. - Mathematics

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Question

If a2 = log x , b3 = log y and `a^2/2 - b^3/3` = log c , find c in terms of x and y.

Sum

Solution

Given a2 = log x , b3 = log y

Now `a^2/2 - b^3/3` = log c

⇒ `log x/2 - log y/3 = log c`

⇒ `[ 3log x - 2log y]/6 = log c`

⇒ 3log x - 2log y = 6log c
⇒ log x3 - logy2 = 6log c

⇒ `log(x^3/y^2) = logc^6`
⇒ `x^3/y^2 = c^6`
⇒ c = `root(6)( x^3/y^2 )`

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More About Logarithm
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Chapter 8: Logarithms - Exercise 8 (D) [Page 111]

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Selina Concise Mathematics [English] Class 9 ICSE
Chapter 8 Logarithms
Exercise 8 (D) | Q 16 | Page 111
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