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Find dy/dx and d2 y/dx2 . For which values of t is the curve concave upward? 13. x =...

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Advance Math

Find dy/dx and d2 y/dx2 . For which values of t is the curve concave upward?

13. x = et , y = te-t

Answer & Explanation Solved by verified expert
3.9 Ratings (549 Votes)
xet yt et Aim To find the values of t for which fracd2 yd x20 Formulae used fracd yd xfracd y d td x d t beginaligned fracd2 yd x2fracdd xleftfracmathrmdymathrmdxrightfracdd x cdot fracd td tleftfracmathrmdymathrmdxrightfracdd t cdot    See Answer
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