展开 (2x+7)log_{10}(2x+7)+3

解答

展开

(2 x + 7) lo g_{10} (2 x + 7) + 3

2 x lo g_{10} (2 x + 7) + 7 lo g_{10} (2 x + 7) + 3

求解步骤

(2 x + 7) lo g_{10} (2 x + 7) + 3

= lo g_{10} (2 x + 7) (2 x + 7) + 3

展开

lo g_{10} (2 x + 7) (2 x + 7) : 2 x lo g_{10} (2 x + 7) + 7 lo g_{10} (2 x + 7)

= 2 x lo g_{10} (2 x + 7) + 7 lo g_{10} (2 x + 7) + 3

e x p an d (4 x + x y^{2}) d x + (y + x^{2} y) d y

s im pl i f y 24 (263 - 45)

e x p an d \frac{( x + 3 ) ( x ^{2} - 16 )}{( 2 x + 1 ) ( 3 ^{x} + x ^{2} )}

e x p an d y (x - 7)

e x p an d (1 - e^{- λ_{1} y}) (1 - e^{- λ_{2} y})