Question

Solve for x if x =√2x–1

Answer 1

Answer:

Step-by-step explanation:

Given,

x=√2 x-1

squaring on both sides

x² = 2 x-1

x² - 2 x+1 = 0

x²-x-x+1 + 0

x(x-1)-(x-1)=0

(x-1)(x-1) = 0

(x-1)² = 0

x-1 = 0

x=1

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Answer 2

Answer:

x=1/√2-1

Step-by-step explanation:

√2x-x=1

(√2-1)x=1

x=1/√2-1

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