What is expand v(2,-1)yf(4,-1) ?

The solution to expand v(2,-1)yf(4,-1) is 2vyf,4,-2vyf,1-1*4vyf,1*1

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expand v(2,-1)yf(4,-1)

expand

v (2, - 1) y f (4, - 1)

2 v y f, 4, - 2 v y f, 1 - 1 \cdot 4 v y f, 1 \cdot 1

Solution steps

v (2, - 1) y f (4, - 1)

= (2, - 1) (4, - 1) v y f

Expand

(2, - 1) (4, - 1) : 2, 4, - 2, 1 - 1 \cdot 4, 1 \cdot 1

= v y f (2, 4, - 2, 1 - 1 \cdot 4, 1 \cdot 1)

Expand

v y f (2, 4, - 2, 1 - 1 \cdot 4, 1 \cdot 1) : 2 v y f, 4, - 2 v y f, 1 - 1 \cdot 4 v y f, 1 \cdot 1

= 2 v y f, 4, - 2 v y f, 1 - 1 \cdot 4 v y f, 1 \cdot 1

\frac{s ^{4} + s + 1}{s ^{4} ( s - 1 )}

(1 + \frac{3 x}{2})^{8}

\frac{k ( 3 k - 1 )}{2} + (3 k - 1)

\frac{25 ( s + 0.03 )}{( s + 0.4 ) ( s ^{2} - 0.36 s + 0.16 )}

e^{- s i n (3 π (x - 2))} + 5

What is expand v(2,-1)yf(4,-1) ?
The solution to expand v(2,-1)yf(4,-1) is 2vyf,4,-2vyf,1-1*4vyf,1*1