1. Math
  2. Calculus
  3. please answer both questions and i promise to upvote your...

Question: please answer both questions and i promise to upvote your...

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Which of the following values represents the value of the second derivative of y with respect to x for the function defined by In (xy)-z - y at the point (1,1)? dz2 dr2 喇 . d2y dr2 dr24 dz22Given the curve defined by the equation In ( 1) az2 -by2, which of the following values represents the value of a if the curve goes through the point (2,1) and the line tangent to that point has a slope of 1? B.a=-12Please answer BOTH questions and I promise to upvote your answer!

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