simplify √5-2/√5+2 - √5+2/√5-2
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ans (√5 - 2 )/(√5 + 2 ) - (√5+2)/(√5-2)
= [ ( √5 - 2 )²- (√5+2)²]/[(√5+2)(√5-2)]
= [5+4-4√5-5-4-4√5]/[(√5)²- 4 ]
= ( -8√5 )/( 5 - 4 )
= - 8√5
I hope this helps you.
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