y=log(1/2)(x^2+2x-3) 的递增区间 这里的1/2是底y=log(1/2)(x^2+2x-3) 的递增区间 (1/2是底数)
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log 9 X/Y=1/2(log 3 X - log 3 Y) log 9 X/Y=1/4 3log 3 X =2log 3 Y find X and Y
log(2x)+log(3y)-log(2z) 怎么化简?log3(x^2-2x-6)=2 log(3x+6)=1+log(x)求解,求每步详...log(2x)+log(3y)-log(2z) 怎么化简?log3(x^2-2x-6)=2 log(3x+6)=1+log(x)求解,
已知log(2)[log(3)(log(4) x)] = log(3) [log(4) (log(2) y)]=0,求x+y的值
函数y=log(1/2)2x+log(1/3)x的单调区间为
[log(4)(2x)][log(2x)(3y)][log(3y)(z)]=log(8x)[(8x)]^2,则z=?
log(2x)+log(3y)-log(2z) 怎么化简? log3(x^2-2x-6)=2 log(3x+6)=1+log(x)求解.
2log(m)y-log(m)x-log(m)z
函数y=f(x)=log(1/2)2x+log(1/3)x的单调递减区间
换底公式的使用!为什么 y=log(1/2) X = - log(2)X
若-3≤log(1/2)x≤-1/2,则函数y=(log(2)x-1)(log(2)x-2)的值域为?
log 3 (4+x+4y)^2=0 联立 log 2 (x+1)^2=1+3log 2 y^2 求
log(0.5x)(2)-log(0.5x^3)(x^2)=log(0.5x^3)(4)
1/log(2)x+1/log(3)x+1/log(4)x=1,x=?
若log底数2[log底数3(log底数4)]若log底数2[log底数3(log底数4(x))]=log底数3[log底数4(log底数2(y))]=log底数4[log底数2(log底数3z)]=0,则x+y+z=
求函数 y=LOg(x-1) (-x的平方+2X+3)的定义域
求函数y=log+2的x次方+1/log(3x-2)的定义域
log(X+5)+log(X+2)=1
log(x+5)=log(x)+log(2) log(8)+log(x)=log(24) 2log(x)=log(2x)+log(3)