Question

rationlise sum in pic

Answer 1

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Answer 2

$\boxed{ANSWER..}$

Rationalization ..

2 + √3 / 2 - √3

Multiply the numerator and denominator with its rationalizing factor..

(2 + √3 / 2 - √3) / (2 + √3 / 2 + √3)

(2 + √3)^2 / (2)^2 - (√3)^2

(2)^2 + (√3)^2 + 2×2×√3 / 4 - 3

4 + 3 + 4√3 / 1

7 + 4√3..