Question

Rationalize the denominators of the following
2 / √3-1
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Answer 1

Answer:

but how I do I donot know about that so sorry

Answer 2

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.