다음 그림과 같이 일차함수 y=f(x) 는 (17/2,0) 을 지나고, 이차함수 y=g(x) 는 x=17/2 를 축으로 한다. 두 함수가 만나는 점의 x좌표가 각각 5, 16 일때, ㅣf(x)ㅣ+ g(x) 의 모든 실근의 제곱의 합의 제곱근을 구하세요.
(이 문제가 너무 쉽거나 문제가 있으면 알려주세요)
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