llim(x→-4) (x^2-16)/(|x|-4)
llim x→∞[(2X+10)^10*(x+9)^50]/(x^60+8x^50)
这里有两个题目.llim(x-2)/(x^2-4)\x0clim(1+(2/x))^3x\x0cy=x^2sinx,求y
x*x+2x+x*x+10x+x*x+25+2x+x*x+1+1+16+x*x+4x*x+9-12x+16x*x+4-1
(x+2/x平方-2x - x-1/x平方-4x+4)÷(x平方-16/x平方+4x)
(x-2)/(x+2)-16/(x^2-4)=(x+2)/(x-2)
(x^2 + 4x)(x^2 + 4x+8)+16
(x^2+4x)(x^2+4x+8)+16
(x-1)^3(x+1)(x-2)/(x+4)
(x+1)(x+2)(x+3)(x+4)+1
计算(x+/1x)(x^2+1/x^2)(x^4+1/x^4)(x^8+1/x^8)(x^16+1/x^16)(x^2-
化简{x²-2x分之x+2-x²-4x+4x分之x-1}除以X分之(x-1)(X-4)乘以(2-x)
x^4表示( ) A.4x B.x+x+x+x c.x*x*x*x D.x+4