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## Homework Statement

is( X^2 )y + (Y^2)x = 6, then the second derivative at the point (1,3) is ?

## Homework Equations

## The Attempt at a Solution

I don't see how this is possible, when I plug in 1 and 3 it comes out as 9 = 6 which isn't true. Can someone tell me if this is wrong? or if the problem is written badly?