已知:方程X-1/X=1二分之一的解是X1=2,X2=-½;方程X-1/X=2又2/3已知:方程X-1/X=1又1/2的解是X1=2,X2=负1/2;方程X-1/X=2又2/3方程X-1/X=2又2/3的解是X1=3,X2=负1/3;方程X-1/X=3又3/4的解是X1=4,X2=负1/4;方程X-1/X=4又4/5
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 19:05:39
![已知:方程X-1/X=1二分之一的解是X1=2,X2=-½;方程X-1/X=2又2/3已知:方程X-1/X=1又1/2的解是X1=2,X2=负1/2;方程X-1/X=2又2/3方程X-1/X=2又2/3的解是X1=3,X2=负1/3;方程X-1/X=3又3/4的解是X1=4,X2=负1/4;方程X-1/X=4又4/5](/uploads/image/z/580394-2-4.jpg?t=%E5%B7%B2%E7%9F%A5%3A%E6%96%B9%E7%A8%8BX-1%2FX%3D1%E4%BA%8C%E5%88%86%E4%B9%8B%E4%B8%80%E7%9A%84%E8%A7%A3%E6%98%AFX1%3D2%2CX2%3D-%26%23189%3B%3B%E6%96%B9%E7%A8%8BX-1%2FX%3D2%E5%8F%882%2F3%E5%B7%B2%E7%9F%A5%3A%E6%96%B9%E7%A8%8BX-1%2FX%3D1%E5%8F%881%2F2%E7%9A%84%E8%A7%A3%E6%98%AFX1%3D2%2CX2%3D%E8%B4%9F1%2F2%3B%E6%96%B9%E7%A8%8BX-1%2FX%3D2%E5%8F%882%2F3%E6%96%B9%E7%A8%8BX-1%2FX%3D2%E5%8F%882%2F3%E7%9A%84%E8%A7%A3%E6%98%AFX1%3D3%2CX2%3D%E8%B4%9F1%2F3%3B%E6%96%B9%E7%A8%8BX-1%2FX%3D3%E5%8F%883%2F4%E7%9A%84%E8%A7%A3%E6%98%AFX1%3D4%2CX2%3D%E8%B4%9F1%2F4%3B%E6%96%B9%E7%A8%8BX-1%2FX%3D4%E5%8F%884%2F5)
已知:方程X-1/X=1二分之一的解是X1=2,X2=-½;方程X-1/X=2又2/3已知:方程X-1/X=1又1/2的解是X1=2,X2=负1/2;方程X-1/X=2又2/3方程X-1/X=2又2/3的解是X1=3,X2=负1/3;方程X-1/X=3又3/4的解是X1=4,X2=负1/4;方程X-1/X=4又4/5
已知:方程X-1/X=1二分之一的解是X1=2,X2=-½;方程X-1/X=2又2/3
已知:方程X-1/X=1又1/2的解是X1=2,X2=负1/2;方程X-1/X=2又2/3方程X-1/X=2又2/3的解是X1=3,X2=负1/3;
方程X-1/X=3又3/4的解是X1=4,X2=负1/4;
方程X-1/X=4又4/5的解是X1=5,X2=负1/5;
根据上述方程及解,再猜想出方程X-10=10又10/11的解,并写出检验
已知:方程X-1/X=1二分之一的解是X1=2,X2=-½;方程X-1/X=2又2/3已知:方程X-1/X=1又1/2的解是X1=2,X2=负1/2;方程X-1/X=2又2/3方程X-1/X=2又2/3的解是X1=3,X2=负1/3;方程X-1/X=3又3/4的解是X1=4,X2=负1/4;方程X-1/X=4又4/5
x1=11,x2=-1/11
X-1/X=10又10/11
x^2-120x-11=0
(x-11)(11x+1)=0
x=11,x=-1/11
先假设一直到n都成立,去证明看看.
x-1/x=10又10/11的解是x=11或x=-1/11
检验:x=11时
左边=11-1/11=10又10/11
x=-1/11时
左边=-1/11-1/(-1/11)=10又10/11