log2(√2-1)-log2((√2+1)=log2(x^2)求x+(1/x)的值(PS,log后的2是底数,括号里的都是N,希望有过程.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 07:42:36
![log2(√2-1)-log2((√2+1)=log2(x^2)求x+(1/x)的值(PS,log后的2是底数,括号里的都是N,希望有过程.](/uploads/image/z/10403723-11-3.jpg?t=log2%28%E2%88%9A2-1%29-log2%28%28%E2%88%9A2%2B1%29%3Dlog2%28x%5E2%29%E6%B1%82x%2B%281%2Fx%29%E7%9A%84%E5%80%BC%28PS%2Clog%E5%90%8E%E7%9A%842%E6%98%AF%E5%BA%95%E6%95%B0%2C%E6%8B%AC%E5%8F%B7%E9%87%8C%E7%9A%84%E9%83%BD%E6%98%AFN%2C%E5%B8%8C%E6%9C%9B%E6%9C%89%E8%BF%87%E7%A8%8B.)
log2(√2-1)-log2((√2+1)=log2(x^2)求x+(1/x)的值(PS,log后的2是底数,括号里的都是N,希望有过程.
log2(√2-1)-log2((√2+1)=log2(x^2)
求x+(1/x)的值
(PS,log后的2是底数,括号里的都是N,希望有过程.
log2(√2-1)-log2((√2+1)=log2(x^2)求x+(1/x)的值(PS,log后的2是底数,括号里的都是N,希望有过程.
要使log2(√2-1)-log2((√2+1)=log2(x^2) 有意义,X^2>0,即X>0,
log2(√2-1)-log2((√2+1)=log2(x^2)
log2[(√2-1)/(√2+1)]=log2(x^2)
(√2-1)/(√2+1)=x^2,
x^2=(√2-1)^2,(x>0)
x=(√2-1),
x+(1/x))的值=(√2-1)+1/(√2-1)=2√2.
化简算式log2^√7/48+log2^12-1/2log2^42+1/2^log2^3
log2(√1/48)+log2 12-1/2log2 (24)-1/3
求值:log2√(7/48)+log2(12)-1/2log2(42)-1 这道题我算来算去算不对
log2底√1/48+log2底12-1/2log2底24等于?
计算log2 √(48/7)-log2 12+(1/2)log2 42-1
log2 SQR(7/48)+log2 12 -1/2log2 42
log2 SQR(7/48)+log2 12 -1/2log2 48
Log2√(7/48) +log2 12 -(1/2)log2 42要详细点的额
|[log2(x)]^2-3log2(x)+1|
(log2)2+log2*log50+1g25值
log2 √2+1等于多少 .急,
log2√2等于多少
log2(2X-1)
计算 log2(1+√2+√3)+log2(1+√2+√3)
log2 (x + 3) + log2(x + 2) = 1log2 (x + 3) + log2(x + 2) = 1
化简log2 1/2+log2 2/3+log2 3/4+.+log2 31/32
计算:(1)log2 (4^3*8^5);(2)log2 3+log2 6-log2 9
为什么 log2[√(x^2+1)-x]=log2{1/[√(x^2+1)+x]}