Jason 5年以上以前 (4)的方法同(3) 所以應該是一個6次式=0 這樣的實根個數 理應是0或偶數個 但它原本是3次式,已經有實根 所以至少2實根吧 這點不是很確定~~ Call me Bravo 5年以上以前 The original function changed from an odd function to an even function, and the symmetrical Y-axis, so I agree with you. 留言
The original function changed from an odd function to an even function, and the symmetrical Y-axis, so I agree with you.