Math, asked by royboy, 9 months ago

If x = √2 - 1, then write the value of x - 1/x​

Answers

Answered by Dynamicarmies
12

x = √2 - 1

∴  x - 1/x

(√2 - 1 ) - 1/(√2 - 1)

[(√2 - 1)² - 1 ] / (√2 - 1)

(4 + 1 - 2√2 - 1) / (√2 - 1)

(4 - 2√2) /  (√2 - 1)

2(√2 - 1) / (√2 - 1) = 2

Answered by pokemon9935
0

Answer:

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Step-by-step explanation:

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