Since direct substitution leads to the indeterminant form you would be expected to take the limit .
Thanks for the hint.
But I still finding it hard to take the limit to 0. How do I go about doing it? Substitute with a very small number? 0.000001 etc
Or do I differentiate the equation?
Thanks for the hint.
But I still finding it hard to take the limit to 0. How do I go about doing it? Substitute with a very small number? 0.000001 etc Mr F says: NO. That's not how you take a limit.
Or do I differentiate the equation?