[中學] pre-caculus線上數學一題
Find the remainder when f(x) is divided by (x - k) (2 points)
2f(x) = 4x^3 - 5x^2 + 2x + 11; k= 3
這題選擇題答案給68 80 136 24
我先把2除到對面
然後f(x)=2x^3-(5/2)x^2+x+11/2
然後帶入3
f(3)=40
結果找不到答案
想請問一下哪裡有問題呢?
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