rationalise the denominator 1+√2/2-√2
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Step-by-step explanation:
(1+√2)/(2-√2) * (2 +√2)/(2 +√2)
= (1+√2)(2 +√2) / (2)² - (√2)²
= (2 + √2 + 2√2 + 2) / 4 - 2
= (4 + 3√2)/2
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