solve x^4 - 2x^3 + 4x^2 + 30x - 13 = 0 given that 2+3i is a root.

1数论题求助(a) Solve x^3 + x^2 + 4 ≡ 0 (mod 5).(b) Solve x^3 + x^2 + 4 ≡ 0 (mod 25).(c) Solve x^3 + x^2 + 4 ≡ 0 (mod 125). 常微分solve the equation(x+4y)y'=2x+3y+5 Solve the equation:(x-6)(x+5)-2(x+2)(x-3)=(4-x)(x+7)+2求解答过程 how to solve 16^X+4^X-20=0 solve x^4 - 2x^3 + 4x^2 + 30x - 13 = 0 given that 2+3i is a root. solve the problems...(1)4^x + 2^x+1 -3 =0(2)log(1/3)x + 2log 9(x^2) -1 =0 Solve the equations(a) 3 - x/8 = 5x/2 - 2(x-4)/3 + 5(b) 7(x-6) - 6(x+3) = 5 (x-6) - 2(3+2x)(c) 三次根号下(5x + 9) = 6 matlab 中solve循环比如：i=1:10 s=solve('x^3+x^2+x=1=i','x')要正根 solve the equation 2x^2-4x=-3 and express the roots in a+bi form.太久没做了,忘记怎么算了. matlab中t调用maple求不等式这样可以吗?maple('solve({x+4>1,x-2 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 Solve the polynomial equation:x^5 - 5x⁴ - 4x³+ 36x²+ 27x - 135 = 0 suppose that f(x)=3x+5 and g(x)=-2x+15.solve |f(suppose that f(x)=3x+5 and g(x)=-2x+15.solve |f(x)|>2 matlab solve函数解方程错在哪里输入：syms xf=sym('-x^3+x^2-1=0')v=solve(f)w=double(v)结果：Attempt to execute SCRIPT solve as a function.Error in ==> sym.solve at 49[varargout{1:max(1,nargout)}] = solve(S{:});Error in ==> solve at 3v=so solve:log(x)+log(2x)=2 在Matlab 中 使用solve函数求解二元二次方程组clcclear allsyms x yequation1=1351504793280023/309485009821345068724781056 - (y*conj(y))/4 - (252750694268921*3^(1/2)*x*y)/562949953421312 - (3*x*conj(x))/4 ;equation2=8059982666094291/9903520 simplify 3/5x-2/7x,then solve the equation 3/5x-2/7x=2/5 matlab程序出错,请各位帮找一下原因format compactx=linspace(-2,8);f=x.^5-4*x.^4+3*x.^2-2*x+6+x.*sin(x);y1=zeros(size(x));plot(x,f)hold onplot(x,y1,'r')x1=solve('x^5-4*x^4+3*x^2-2*x+6+x*sin(x)','x')text(x1,0,'1.42688')运行后：x1 =1.4268