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January 31, 2015

January 31, 2015

Posted by **Erikan Attah** on Wednesday, March 7, 2012 at 9:37am.

- CAlculus -
**bobpursley**, Wednesday, March 7, 2012 at 10:18amy' = sin(1/x) dx/dx + x d(sin(1/x))/dx

= sin (1/x)+ x cos(1/x)d(1/x)/dx

= sin (1/x)+ x cos(1/x)(-1/x^2)

= sin(1/x) - (1/x)cos(1/x)

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