方程1:x^2-2x-3=0 x1= -1,x2=3 方程2:x^2-4x-12=0 x1= -2,x2=6方程3:x^2-6x-27=0 x1= -3,x2=9……(1)根据规律,写出第k个方程 (2)根据规律解方程x^2-102x-7803=0
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![方程1:x^2-2x-3=0 x1= -1,x2=3 方程2:x^2-4x-12=0 x1= -2,x2=6方程3:x^2-6x-27=0 x1= -3,x2=9……(1)根据规律,写出第k个方程 (2)根据规律解方程x^2-102x-7803=0](/uploads/image/z/7635415-31-5.jpg?t=%E6%96%B9%E7%A8%8B1%EF%BC%9Ax%5E2-2x-3%3D0+x1%3D+-1%2Cx2%3D3+%E6%96%B9%E7%A8%8B2%EF%BC%9Ax%5E2-4x-12%3D0+x1%3D+-2%2Cx2%3D6%E6%96%B9%E7%A8%8B3%EF%BC%9Ax%5E2-6x-27%3D0+x1%3D+-3%2Cx2%3D9%E2%80%A6%E2%80%A6%EF%BC%881%EF%BC%89%E6%A0%B9%E6%8D%AE%E8%A7%84%E5%BE%8B%2C%E5%86%99%E5%87%BA%E7%AC%ACk%E4%B8%AA%E6%96%B9%E7%A8%8B+%EF%BC%882%EF%BC%89%E6%A0%B9%E6%8D%AE%E8%A7%84%E5%BE%8B%E8%A7%A3%E6%96%B9%E7%A8%8Bx%5E2-102x-7803%3D0)
方程1:x^2-2x-3=0 x1= -1,x2=3 方程2:x^2-4x-12=0 x1= -2,x2=6方程3:x^2-6x-27=0 x1= -3,x2=9……(1)根据规律,写出第k个方程 (2)根据规律解方程x^2-102x-7803=0
方程1:x^2-2x-3=0 x1= -1,x2=3 方程2:x^2-4x-12=0 x1= -2,x2=6
方程3:x^2-6x-27=0 x1= -3,x2=9……(1)根据规律,写出第k个方程 (2)根据规律解方程x^2-102x-7803=0
方程1:x^2-2x-3=0 x1= -1,x2=3 方程2:x^2-4x-12=0 x1= -2,x2=6方程3:x^2-6x-27=0 x1= -3,x2=9……(1)根据规律,写出第k个方程 (2)根据规律解方程x^2-102x-7803=0
(1):XX-2kX-3kk=0 (2):X1=-51.X2=153 手机打不出次方啊