# Simplify by rationalizing the denominator: 4 + root 5 / 4- root 5 + 4- root 5 / 4+ root 5

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by tgfhfh

pls its urgent

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by tgfhfh

pls its urgent

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The Brainliest Answer!

(4 +√5)×(4 +√5)/(4 -√5)×(4 +√5) + (4 -√5)×(4 -√5)/(4 +√5)×(4 -√5)

⇒(4 +√5)²/(16 -5) + (4 -√5)²/(16 -5) ( applying (a² -b²) = (a+b)(a -b))

⇒(16 +5 +8√5 +16 +5 - 8√5)/11

⇒42/11