If ,y= show that

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- Jul 6th 2013, 07:32 PMsrirahulandifferention
If ,y= show that

- Jul 6th 2013, 07:45 PMProve ItRe: differention
It doesn't...

Now let , then

Now remembering that that means , and so , NOT . - Jul 6th 2013, 08:23 PMSorobanRe: differention
Hello, srirahulan!

Quote:

We have: .

Then: .

Hence: .

From [1], we have: .

Substitute into [2]: .

. . . . . . Therefore: .

- Jul 7th 2013, 12:53 AMProve ItRe: differention
It appears I am unable to edit my previous post. I for some reason forgot that the second derivative is , not .

- Jul 7th 2013, 03:50 AMIsomorphismRe: differention
Another way is:

We can write as .

Now differentiate both sides:

Cancelling on both sides, we get .

Differentiating this equation we get,

.