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- The graph shows a circle centred at the origin
with a radius of 5.
a) Define the circle implicitly by a relation between x and y .
b) Define the circle by expressing y explicitly in terms of x .
c) Use the method of "explicit differentiation" to find the slope of the tangent line to the circle at the point (4, -3).
d) Use the method of "implicit differentiation" to find the slope of the tangent line to the circle at the point (4, -3).
Use implicit differentiation to find: