The problem is: find y'' of y = x^3 + xy - 7
the answer i got was (6x^2 + 2xy - 6x -2y)/(x-1)^3
can anyone tell me if i am right?
Hello, xwanderingpoetx!
I got a different result . . .
Find of: .
The answer i got was: .
Differentiate implicitly: .
Factor: . .[1]
Differentiate implicitly: .
. .
Substitute [1]: . .**
Therefore: .
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We may cancel the because
If , the original equation becomes: .
. . which results in the impossibility: .