如图,谢谢啦(๑´ω`๑)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/29 02:36:07
![如图,谢谢啦(๑´ω`๑)](/uploads/image/z/4097127-39-7.jpg?t=%E5%A6%82%E5%9B%BE%2C%E8%B0%A2%E8%B0%A2%E5%95%A6%28%26%233665%3B%26%23180%3B%CF%89%60%26%233665%3B%29)
如图,谢谢啦(๑´ω`๑)
如图,谢谢啦(๑´ω`๑)
如图,谢谢啦(๑´ω`๑)
纯图画铅笔作答
太简单了
=[(m-1)2/(m-1)(m+1)]除以[(m2-1)/m+1]-(m-1)/(m+1)
=m-1/m+1除以m2-1-(m-1)/(m+1)
=m-1/m+1除以m2-m/(m+1)
=m-1/m+1除以m2-m/(m+1)
=m-1/m+1除以m(m-1)/(m+1)
=m-1/m+1乘以(m+1)/m(m-1)
=1/m
原式=(m-1)^2/(m+1)(m-1)÷((m-1)(m+1)-(m-1))/(m+1))
=(m-1)/(m+1)÷(m-1)(m+1-1)/(m+1)
=1/m
∵m=√3
∴原式=1/√3=3/√3