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Stells [14]
2 years ago
9

Please help , maths watch pythagoras

Mathematics
1 answer:
TiliK225 [7]2 years ago
6 0
Square Root of 5^2 + 3^2

Square root of 25 + 9

Square root of 34 = 5.83095....

= 5.83 (3 s.f)

Hope this has helped you
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Which expressions are equivalent to <br><br> 2 ln a + 2 ln b - ln a?
ycow [4]

Answer:

Choices 2, 3, and 5  are correct.

Step-by-step explanation:

Complete question is:

Check all that apply.

1. ln ab² - ln a

2. ln a + 2 ln b  

3. ln a² + ln b² - ln a

4. 2 ln ab

5. ln ab²

ANSWER:

The given expression is : 2 ln a + 2 ln b - ln a

It simplifies to: ln a + ln b² = ln ab²

Checking the given options.

1. ln ab² - ln a   = ln (ab²)/a = ln b²

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2. ln a + 2 ln b = ln ab²

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3. ln a² + ln b² - ln a = ln (a²b²)/a = ln ab²

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4. 2 ln ab = ln a²b²

  FALSE

5. ln ab²

  TRUE

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3 years ago
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