Thread: Turning Points

Sketch this curve on a graph



I differentiated and got



At TP dy by dx = o

So

Now where do I go?

Originally Posted by Ryannnn

Sketch this curve on a graph



I differentiated and got



At TP dy by dx = o

So

Now where do I go?

Factorise.





or .

Originally Posted by Prove It

Factorise.





or .

So when



But how do you find when

Thanks for your help.

You're told that

.

Now let and find .

Originally Posted by Prove It

You're told that

.

Now let and find .

So...

When







Sorry for going on abit.