log2(x²+1)

log2(x²+1) 已知函数f(x)=log2(x+1)/(x-1)+log2(x-1)+log2(p-x)求f(x)的值域f(x)=log2(x+1)/(x-1)+log2(x-1)+log2(p-x) 的定义域算出来是（1,P)=log2【 【(x+1)／(x-1) 】·（x－1）·（P—x）】=log2【（x＋1）·（P—x）】=log2【－x² 解方程：log2(x²-3)=2log4(6x-10)-1 f(x)=log2(x²+1)的图像怎么画 |[log2(x)]^2-3log2(x)+1| log2(x+1)>log2(3-x) log2 (x+1)+log2 x=log6 不等式log2 (x+1) log2(2X-1) log2(x-1) log2(x)=-1 log2(x+1) log2(x-1) log2(x-1) log2 (x + 3) + log2(x + 2) = 1log2 (x + 3) + log2(x + 2) = 1 （1）2log5*10+log5*0.25(2)log2(log2*16)(3)lg12.5-lg5/8+lg0.5第三题：y=√（x²+3x+2）+log2*3x的定义域是? .log2^(x+1/x+6) 已知x满足不等式2（log 1/2x）² +7log1/2x+3≤0,求函数f（x）=（log2四分之x）*（log2二分之x）的最大值和最小值