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log9 (3log2 (1 + log3 (1 + 2log2x))) = 1/2. Find x.Choices:- None of the above 1 12/30 2

Question

log9 (3log2 (1 + log3 (1 + 2log2x))) = 1/2. Find x.Choices:- None of the above 1 12/30 2

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Solution 1

To solve the equation, we need to follow these steps:

  1. We know that log base a of a equals 1. So, we can rewrite the equation as: 3log2 (1 + log3 (1 + 2log2x)) = 9^(1/2) = 3.

  2. Divide both sides by 3 to isolate the inner expression: log2 (1 + log3 (1 + 2log2x)) = 1.

  3. Use the property of logarithms that says log base a of a equals 1 to rewrite the equation as: 1 + log3 (1 + 2log2x) = 2^1 = 2.

  4. Subtract 1 from both sides to isolate the inner expression: log3 (1 + 2log2x) = 2 - 1 = 1.

  5. Use the property of logarithms that says log base a of a equals 1 to rewrite the equation as: 1 + 2log2x = 3^1 = 3.

  6. Subtract 1 from both sides to isolate the inner expression: 2log2x = 3 - 1 = 2.

  7. Divide both sides by 2 to isolate the inner expression: log2x = 2 / 2 = 1.

  8. Use the property of logarithms that says log base a of a equals 1 to rewrite the equation as: x = 2^1 = 2.

So, the solution to the equation is x = 2.

This problem has been solved

Solution 2

To solve the equation, we need to follow these steps:

  1. We start with the given equation: log9 (3log2 (1 + log3 (1 + 2log2x))) = 1/2.

  2. We know that log base b of a equals c can be written as b^c = a. So, we can rewrite the equation as: 9^(1/2) = 3log2 (1 + log3 (1 + 2log2x)).

  3. Simplifying 9^(1/2) gives us 3, so the equation becomes: 3 = 3log2 (1 + log3 (1 + 2log2x)).

  4. Dividing both sides by 3, we get: 1 = log2 (1 + log3 (1 + 2log2x)).

  5. Using the property of logarithms, we can rewrite the equation as: 2^1 = 1 + log3 (1 + 2log2x).

  6. Simplifying 2^1 gives us 2, so the equation becomes: 2 = 1 + log3 (1 + 2log2x).

  7. Subtracting 1 from both sides, we get: 1 = log3 (1 + 2log2x).

  8. Using the property of logarithms again, we can rewrite the equation as: 3^1 = 1 + 2log2x.

  9. Simplifying 3^1 gives us 3, so the equation becomes: 3 = 1 + 2log2x.

  10. Subtracting 1 from both sides, we get: 2 = 2log2x.

  11. Dividing both sides by 2, we get: 1 = log2x.

  12. Using the property of logarithms one last time, we can rewrite the equation as: 2^1 = x.

  13. Simplifying 2^1 gives us 2, so the equation becomes: x = 2.

So, the answer is 2.

This problem has been solved

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