Question: Hi can someone please help me with this question and show ALL working so I can understand and follow along (3) (a) Show that the
Hi can someone please help me with this question and show ALL working so I can understand and follow along

(3) (a) Show that the area of a region in the x-y plane bounded by the piecewise smooth simple closed curve C can be determined by evaluating the line integral Jc p ay dr + (1 + a)r dy, for any o E R. This is the principle behind a planimeter
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