` melody.
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e2lnx = elnx^2 And given that e and ln are opposite functions, elnx^2 cancel out to just = x2 So you probably would simplify it down to x2 = 2 x3 and then solve for x. I'm not 100% sure though. Hope it helps.
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Well light is the needed for photosynthesis by plants, which are in turn needed for animals and other higher-order organisms. So I guess in that sense light is the initial energy source for almost all communities!