Question

√2-1/√2+1 = a+b√2
Find the value of a and b
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Answer 1

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Answer:

the value of a is 3 and b is -2

Step-by-step explanation:

$\frac{ \sqrt{2} - 1}{ \sqrt{2} + 1} \times \frac{ \sqrt{2} - 1}{ \sqrt{2} - 1} = \frac{2 + 1 - 2 \sqrt{2} }{1}$

$= 3 - 2\sqrt{2}$