Question

if y=3+2√2 find y-1/y
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Answer 1

Answer:

8.3235

Step-by-step explanation:

y=$3+2\sqrt{2}$

so,

$\frac{y-1}{y} = \frac{3+2\sqrt{2}-1 }{3+2\sqrt{2} }$

around 8.3235

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