5. Find the equation for the tangent at the point (2,-1) for 
 x2-xy + y2=7.(8%)

詳解 (共 1 筆)

Chia Chung
Chia Chung
詳解 #5570636
2022/07/26
2x-y-x(dy/dx)+2y(dy/...
(共 132 字，隱藏中）
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