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\text { Consider this curve } C: y^{4}-4 y^{2}=x^{4}-9 x^{2} \text {. } (a) Show that the point (3, 2) lies on C. (b) Use a suitable tangent line to
estimate a value of b for which (3.02, b) lies on C.
Fig: 1
Fig: 2
Fig: 3
