if x3 + y3 =65, find the value of d2y/dx2 at the point (4,1)

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A: NOTE: Refresh your page if you can't see any equations. . the point (10,-160) is on the graph so…

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A: Solution :  Given that   x2 + y2 = 14    ---(1) and  x + y = 6   ---(2)

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A: use substitution method for solving the integral.