有條Differentation 數唔係好識做(希望有埋個詳細步驟同解釋)?

2015-12-10 1:31 pm
find dy/dx

x^2+y^2-xy+5y+2x=10


x^2+y^2-6x+2y-30=0

回答 (1)

2015-12-10 2:33 pm


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