f(-X)+2f(X)=-5X+1,乘2得、、、2f(-X)+4f(X)=-10X+2~原式減去這個得到-3f(X)=15X-1~
f(x)=-5X+1/3
已知函數(shù)f(x)滿足f(x)+2f(-x)=5x+1,則f(x)=?
已知函數(shù)f(x)滿足f(x)+2f(-x)=5x+1,則f(x)=?
數(shù)學(xué)人氣:621 ℃時間:2020-01-14 13:17:10
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