Question

Can someone solve this question? Correct solution will be marked as the brainliest ​

Answer 1

Step-by-step explanation:

4-√5 4+√5

---------- + ----------

4+√5 4-√5

(4-√5) ^2 + (4+√5) ^2

-------------------

(4+√5)(4-√5)

42

--------

16-5

42

------ ans

11

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Answer 2

Answer:

42/11

Step-by-step explanation:

taking LCM

   = (4 - $\sqrt{5}$)² + ( 4 + √5 )² / ( 4 +√5) ( 4 -√5)

   = (16 + 5 - 8√5) + (16 + 5+ 8√5)  / 4² - (√5)²

   = 21 -8√5 + 21 + 8√5 / 16-5

   = 42 /11

hope it helps

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