化简二次根式a√a-b√a除以a+√ab

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化简二次根式a√a-b√a除以a+√ab

化简二次根式a√a-b√a除以a+√ab
化简二次根式a√a-b√a除以a+√ab

化简二次根式a√a-b√a除以a+√ab
(a√a-b√a)÷(a+√ab) =√a (a-b) ÷√a (√a+√b) =(a-b)÷ (√a+√b) = (√a+√b) (√a-√b)÷ (√a+√b) =√a - √b