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semuanya di kuadratin, jadi akarnya ilang trs 1 diujungnya jd 1 kuadrat = 1
1 + 3 - 1 + 2 + n = 1
n = 1 - 1 - 3 + 1 - 2
n = -4
jadi, kalo masuk disoalnya akhirnya kaya gini
√1+√3-√1+√2 - 2 = 1