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Fractional and Negative Indices

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Question 40

Given that u=5xu = 5^xu=5x and v=5yv = 5^yv=5y, express in terms of u u\,u and/or vvv,

i.

5x+y5^{x+y}5x+y

[1]
ii.

52x5^{2x}52x

[1]
iii.

5y−15^{y-1}5y−1

[1]

Fractional and Negative Indices Questions

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