展开 ((x^2))/((In(4-x)))

解答

展开

\frac{( x ^{2} )}{( I n ( 4 - x ) )}

\frac{x ^{2}}{4 n I - n x I}

求解步骤

\frac{x ^{2}}{I n ( 4 - x )}

乘开

I n (4 - x) : 4 n I - n x I

= \frac{x ^{2}}{4 n I - n x I}

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