if both a and b are rational numbers find the value of a and b √5-2/√5+2 - √5+2/√5-2 =a+b√5
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√5-2/√5+2-√5+2/√5-2
(√5-2)^2/5-4-(√5+2)^2/5-4
5+4-4√5-5-4-4√5
-8√5/1
a=0 B=-8
Step-by-step explanation:
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