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The curve C with equation y=fx passes through the point (3, 14/2)
given that f'(x)=2x+3/xsquared
a) find f(x) (5 marks)
b) verify that f(-2)=5 (1 mark)
c) find an equation for the tangent to C at the point (-2,5) giving your answer in the form ax+by+c=0

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