展开 (ft)/(x(4x+1)(sqrt(ax+b)+(4x+3)))

解答

展开

\frac{f t}{x ( 4 x + 1 ) ( a x + b + ( 4 x + 3 ) )}

\frac{f t}{16 x ^{3} + 4 x ^{2} a x + b + 16 x ^{2} + x a x + b + 3 x}

求解步骤

\frac{f t}{x ( 4 x + 1 ) ( a x + b + ( 4 x + 3 ) )}

去除括号:

(a) = a

= \frac{f t}{x ( 4 x + 1 ) ( a x + b + 4 x + 3 )}

乘开

x (4 x + 1) (a x + b + 4 x + 3) : 16 x^{3} + 4 x^{2} a x + b + 16 x^{2} + x a x + b + 3 x

= \frac{f t}{16 x ^{3} + 4 x ^{2} a x + b + 16 x ^{2} + x a x + b + 3 x}

e x p an d 2 (5 + 7)

e x p an d - (6 x + 6) sin (3 x^{2} + 3 x)

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

e x p an d l im x \Rightarrow 0 (1 + x) - 2 - 1 x

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