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# Differentiation and limit question help watch

1. need help on question 2.
2. (Original post by SWISH99)

need help on question 2.
looks like you started an attempt on the right, can you show it?
3. (Original post by _gcx)
looks like you started an attempt on the right, can you show it?
Im stuck at the limit of f(h)/h as h approaches 0
4. (Original post by SWISH99)
Im stuck at the limit of f(h)/h as h approaches 0
You have . If you consider that , you can use the squeeze theorem here. (first show that the limit exists by showing that the right hand limit is equal to the left hand limit)
5. (Original post by _gcx)
You have . If you consider that , you can use the squeeze theorem here. (first show that the limit exists by showing that the right hand limit is equal to the left hand limit)
Thanks that makes sense.

Do we not have to consider the second part of the function though?

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