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Clearnote
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Senior High
Mathematics
求數學大神幫幫我這題
Mathematics
Senior High
9 monthsago
( ̄∇ ̄)
求數學大神幫幫我這題
貝 二分科測驗模擬考 數 學 甲(六) ☆ D.已知兩函數f(x)=x+3xx+4x與g(x)=3x²-9x+12的圖形在第一象限的交點為 A(g,az)、B(6,63)兩點。若直線x=(a<<b)與f(x)、g(x)分別交於P、Q兩點, 則四邊形 APBQ 的面積最大值為26039-12 。(化至最簡) fix=-x3+3x²+4x 2 V² ² 112 v ² 9 v + 1 2
Answers
Dw
9 monthsago
把他看成兩個三角形
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