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Mathematics

Find x, if :

x - log 48 + 3 log 2 = 13\dfrac{1}{3} log 125 - log 3

Logarithms

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Answer

Given,

⇒ x - log 48 + 3 log 2 = 13\dfrac{1}{3} log 125 - log 3

⇒ x - log 48 + log 23 = log (125)13(125)^{\dfrac{1}{3}} - log 3

⇒ x - log 48 + log 8 = log (53)13(5^3)^{\dfrac{1}{3}} - log 3

⇒ x - log 48 + log 8 = log 5 - log 3

⇒ x = log 5 + log 48 - log 3 - log 8

⇒ x = (log 5 + log 48) - (log 3 + log 8)

⇒ x = log (5 × 48) - log (3 × 8)

⇒ x = log 240 - log 24

⇒ x = log 24024\dfrac{240}{24}

⇒ x = log 10

⇒ x = 1.

Hence, x = 1.

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