在分式1/f=1/f1+1/f2中,f2≠f,则f1=_____.
问题描述:
在分式1/f=1/f1+1/f2中,f2≠f,则f1=_____.
答
1/f=1/f1+1/f2
1/f1=1/f-1/f2
1/f1=(f2-f)/(ff2)(通分)
f1=(ff2)/(f2-f)
有帮助请采纳.f1=f·f2呢当(f2-f)=1时,f1=f·f2