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Given: log 5 = x and log 7 = y

Mathematics

ScanSolve AI Answer

Answer

1 - x + y

Step-by-step solution

3 steps

The image provided for question 6.2 only states the given information: log⁡5=x\log 5 = x and log⁡7=y\log 7 = y. The actual question to be solved is missing.

Assuming the question asks to express log⁡14\log 14 in terms of xx and yy:

  1. Use logarithm properties to express log⁡14\log 14 in terms of log⁡2\log 2 and log⁡7\log 7.

    log⁡14=log⁡(2×7)\log 14 = \log (2 \times 7) =log⁡2+log⁡7= \log 2 + \log 7
  2. Express log⁡2\log 2 in terms of log⁡5\log 5 and log⁡10\log 10.

    When no base is specified, it is assumed to be base 10, so log⁡10=1\log 10 = 1.

    log⁡2=log⁡(105)\log 2 = \log \left(\frac{10}{5}\right) =log⁡10−log⁡5= \log 10 - \log 5 =1−x= 1 - x
  3. Substitute the given values and the derived value into the expression for log⁡14\log 14.

    log⁡14=(1−x)+y\log 14 = (1 - x) + y =1−x+y= 1 - x + y 1−x+y1 - x + y
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