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Simplify the expression 1/sqrt(2) + 3/sqrt(8) + 5/sqrt(32).

 Feb 13, 2022
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Note that   sqrt 8 = 2 sqrt 2        sqrt 32 = 4 sqrt 2

 so you have

    (1 + 3/2 + 5/4 )  * 1/sqrt2

= 3 3/4 ( 1/ sqrt2)

= 15 sqrt 2 /8    

 Feb 13, 2022

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