若dy/dx=t/2,求d2y/dx2=?其中t是未知數(shù)大神們幫幫忙
若dy/dx=t/2,求d2y/dx2=?其中t是未知數(shù)大神們幫幫忙
數(shù)學(xué)人氣：151 ℃時間：2020-04-03 09:34:31
優(yōu)質(zhì)解答
參數(shù)方程是吧!還得知道x等于多少,才能算出其二階導(dǎo)數(shù)!二階導(dǎo)數(shù)等于一階導(dǎo)數(shù)求導(dǎo)乘x對t的導(dǎo)數(shù)
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