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We have 3^(2x+1) = 4^100
=> log(3^(2x+1)) = log(4^100)
=> (2x+1)log(3) = 100log(4)
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Briefly outline a few different sea defences, including, but not limited to, sea walls, groynes and boulder barriers. They can protect the base of cliffs from erosion as well as prevent coastal flooding. ...
Outline some of examples of soft and hard engineering techniques as well as their definition. Soft engineering advantages include: Relatively cheap, low maintenance, environmentally friendly and 'green', ...
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