x=3t-5,y=t^3-t
t=(x+5)/3
y=t^3-t=(x+5)^3/27-(x+5)/3=1/27(x^3+5x^2+25x+125-9x-45)=1/27(x^3+5x^2+16x+80)
將參數(shù)方程x=3t-5,y=t^3-t化為普通方程
將參數(shù)方程x=3t-5,y=t^3-t化為普通方程
數(shù)學(xué)人氣:392 ℃時(shí)間:2019-12-23 05:23:34
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