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8/5-5/x divided by 5/6+4/x^2? Solve the equation 2cos(x+7pi/4)= square root of 3 ,which lie in [0,2pi) .find smallest and largest solution. Please show details ! Thanks? Average weight is 182.9 pounds and standard deviation is 40.8 pounds, what is the probability a person will be less than 174 pounds? Find a power series representation for f(x)=ln(x^2 +3). please show details :) thanks!? Iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii?