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How does (sqrt 2)^17 = 256 * sqrt 2

 Oct 6, 2016
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How does (sqrt 2)^17 = 256 * sqrt 2

Simplify the following:
(sqrt(2))^17

Multiply exponents. (sqrt(2))^17 = 2^(17/2):
2^(17/2)

2^(17/2) = 2^(16/2+1/2) = 2^(16/2)×sqrt(2):
2^(16/2) sqrt(2)

16/2 = (2×8)/2 = 8:
2^8 sqrt(2)

2^8 = (2^4)^2 = ((2^2)^2)^2:
((2^2)^2)^2 sqrt(2)

2^2 = 4:
(4^2)^2 sqrt(2)

4^2 = 16:
16^2 sqrt(2)
Answer: |256 sqrt(2)

 Oct 6, 2016

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