# calculus

Express as a single logarithm

ln(a)+1/2ln(b)

2ln4-ln2

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1. ln a + (1/2) ln b
= lan a + ln )b^(1/2))
= ln (a√b)

you try the second, and let me know what you got

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posted by Reiny
2. 2ln4-ln2
=ln(16)-ln2
=ln(16/2)
=ln8?

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posted by Jan
3. correct

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posted by Reiny
4. Thank you =)

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posted by Jan
5. We are asked to express 2+ln 2 as a single logarithm.Can somebody help me?

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