2ab2c429fcdd35a323ed86e74480746f7bc2af2f08421812df71ff179717ac7c671300aff84d03b894ee8af9d26f2c596a39ae726d

7cea8471bc8361f639ed84e4419f2e2d6f6111a29af3479227aa3330a6

도함수연속이랑 가조건 보면
저런 f(x)가 가능한거요?