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\(\pi\)
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\(\frac{a}{b}\)
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The intensity \(I\) of light from a bulb varies inversely with the square of the distance \(d\) from the bulb. At a distance of 2 meters, the intensity is 100 units.
Find the equation relating \(I\) and \(d\).
Calculate the intensity at a distance of 5 meters.
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