4x2+5x(X-2)+12=6X的解怎么写?
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4x2+5x(X-2)+12=6X的解怎么写?4x2+5x(X-2)+12=6X的解怎么写?4x2+5x(X-2)+12=6X的解怎么写?
4x2+5x(X-2)+12=6X的解怎么写?
4x2+5x(X-2)+12=6X的解怎么写?
4x2+5x(X-2)+12=6X的解怎么写?
1/(x2+x)+1/(x2+3x+2)+1/(x2+5x+6)+1/(x2+7x+12)=4/21x2是x的平方
4x2+5x(X-2)+12=6X的解怎么写?
解方程:1/x2+x +1/x2+3x+2 +1/x2+5x+6 +1/x2+7x+12 +1/x2+9x+20=5/x2+11x-708解方程:1/x2+x +1/x2+3x+2 +1/x2+5x+6 +1/x2+7x+12 +1/x2+9x+20=5/x2+11x-708
(1)7/(x2+x)+3/(x2-x)=6/(x2-1)(2)3/x-6/(1-x)-(x+5)/x(1-x)=0(3)(5x-4)/(2x-4)=(2x+5)/(3x-6)-1/2(4)x2-4x/(x2-1)+1=2x/(x+1)(5)1/(x+3)+1/(6-2x)=(3x-15)/(2x2-18)(6)解关于x的方程:x/(x-a)=1-[a/(x+b)] (a≠0)(7)已知关
解分式方程:2/x2+5x+6 + 3/x2+x-6=4/x2-4
已知:√x=√a+1/√a求(x2+x-6)/x÷(x+3)/(x2-2x)-[(x-2)+√(x2-4x)]/[(x-2)-√(x2-4x)]的值
解方程 x(x-6)+2x(x-3)=3(x2-x-1) 解不等式:2x2(x-3)+4(x2-x)≥x(2x2-2x+解方程 x(x-6)+2x(x-3)=3(x2-x-1) 解不等式:2x2(x-3)+4(x2-x)≥x(2x2-2x+5)-3%D%A解方程:x(x-6)+2x(x-3)=3(x
解方程 2/(x2-x)+6/(1-x2)=7/(x2+x)x2为的平方
1/(x2+3x+2)+1/(x2+5x+6)+1/(x2+7x+12)=1/(x+4)解方程
解方程x-4/x2+x-2=1/(x-1)+(x-6)/(x2-4)
解方程:1/x2+x +1/x2+3x+2 +1/x2+5x+6 +1/x2+7x+12 +1/x2+9x+20=5/x2+11x-708等会就要 再次坐等
用因式分解法解方程:2x2-x-3=0.一变:(3x-1)2+3(3x-1)+2=0二变:(x2-x)2-4(x2-x)-12=0三变:已知5x2-xy-6y2=0(x≠0),求y/x的值.
x2-4x+3分之x2-5x+6+s2-2x+1分之x2-4x+3+1-x2分之x2-3x-4的过程
1)4x2-12x-1=0 (2)3x2+2x-3=0 (3)5x2-4x-12=0 (4)3x(x+2)=5(x+2) (5)4(1-x)2=9 (6)2x2-5x-2=0注:4X2-12X-1=0(其中x的2的平方)不是4乘以2!4(1-x)2=9(字2是指x的平方,1-x的平方乘以45x2-4x-12=0(x2是指x的平
解分式方程(写过程)(1)2/x-3=3/x (2)2-x/x-3+2=1/x-3(3)1-x/x-2=1/2-x-2(4)1/x-3+1/x+3=4/x2-9(5)1/x-1-2=-2x/x+1(6)1/6x-2=1/2-2/1-3x2.设a=x/x-1,b=3/x2+1,当x为何值时,a和b的值相等?3.已知X为整数,且2/X+3+2/3-X+2X+18/X2-9为整数,
解方程1.(2x-3/x)^2+5+12x=18/x2.3x^4-2x^3-2x^2-2x+3=03.x^2-6/(x^2-x)=x-1
解一元二次方程,谢x2+12x=0,4x2-1=0,x2=7x,x2-4x-21=0,(x-1)(x+3)=12,3x2+2x-1=0
MATLAb编程解方程clear;clcsyms xfor n=1:6X2=solve('(x-1)*(x-2)*(x-3)*(x-4)*(x-5)*(x-6)*(x-7)*(x-8)*(x-9)*(x-10)*(x-11)*(x-12)*(x-13)*(x-14)*(x-15)*(x-16)*(x-17)*(x-18)*(x-19)*(x-20)+1e-n*x^19=0',x);double(X2)end与直接代入n=1,2,...6算出来