Relationship between object distance, image distance, focal distance for doubly convex lenses

j_limb14

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Feb 26, 2019
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Problem:
11188
So, I finished part A of this question, but I need help with finishing part B.
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Harry_the_cat

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Mar 16, 2016
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\(\displaystyle \frac{1}{a}+\frac{1}{b} \neq \frac{1}{a+b}\)
You add fractions by first getting a common denominator.
 
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