Question

Rationlaise :

3 +2√5
_______
3 - 2√5


Please help!!!!

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Answer 1

hii Hope it helped

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Answer 2

$\huge\star\pink{given}$

3 +2√5

_______

3 - 2√5

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$\huge\star\pink{solution}$

3 +2√5

_______ ---------- (1

3 - 2√5

EQ( 1) multiple and divided 3 +2√5

={3+2√5}{3+2√5}/3^2-(2√5) ^23^2+(2√5) ^2

using (a+b) (a-b) =a^2-b^2

and (a+b) =a^2+b^2+2ab

{3+2√5}^2/3^2-(2√5) ^2

9+20+12√5/9-20

29+12√5/-11

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I hope it helps you