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you can use the formula d(a^x)/dx = a^x (ln a)

so will get ( 4^(-x + 3) (ln 4) (-1) )

**hellrom**- Replies: 4

can you please tell me the correct answer to this question

In two dimensions, how many points are there such that their coordinate

vectors have the norm (i) 5, (ii) 0

thank you

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