Question: Please help with these two questions. If possible need working steps for both question.At the same time, please help to explain what's the saddle point
Please help with these two questions. If possible need working steps for both question.At the same time, please help to explain what's the saddle point and maximum point of a particular function/ ODE question.

Problem-6: The time of oscillation t of a pendulum is given by = Zn . Determine the approximate percentage error in it when L has a positive error of 0.2% and g has a negative error of 0.1% . [10 marks] Problem-7: Show that the function f(x, y) = x3 3x2 43/2 + 2 has one saddle point and one maximum point. Determine the maximum value. [10 marks]
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