Question

simplify it faster plzzz 4+√5/4-√5 + 4-√5/4+√5 ​

Answer 1

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Answer 2

Answer:

4+√5/4-√5 + 4 -√5/4+√5

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

(4+√5)²/(4)²-(√5)² +(4-√5)²/(4)²-(√5)²

(4)²+(√5)²+2(4)(√5)/16-5 +(4)²+(√5)²-2(4)(√5)/16-5

16+5+8√5/11 + 16+5-8√5/11

21+8√5+21-8√5/11

42/11