Question

Rationalise the denominator
3-√2+1​

Answer 1

1

Step-by-step explanation:

To rationalize the denominator we must multiply and divide the number by the denominator's conjugate. Conjugate of denominator is -- 2 + √3. We know that, (a+b) ( a-b) = a² - b². So, (2+√3)(2-√3) = 2² -(√3)² = 4 - 3 = 1

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Answer 2

3-√2+1

1/ 3-√2+1

1/3-√2+1 × 3+√2+1/3+√2+1

3+√2+1 / (3)2 - (√2+1)2

3+√2+1 / 9-3

3+√2+1 / 6

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