What is expand (1,3)y(-1,-2) ?

The solution to expand (1,3)y(-1,-2) is -1*(1*3,)y,-2(1*3,)y

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expand (1,3)y(-1,-2)

expand

(1, 3) y (- 1, - 2)

- 1 \cdot (1 \cdot 3,) y, - 2 (1 \cdot 3,) y

Solution steps

(1, 3) y (- 1, - 2)

= (1 \cdot 3,) (- 1, - 2) y

Apply the distributive law:

a (b - c) = ab - a c

a = (1, 3) y, b = - 1,, c = 2

= (1, 3) y (- 1,) - (1, 3) y \cdot 2

Apply minus-plus rules

+ (- a) = - a

= - 1 \cdot (1 \cdot 3,) y, - 2 (1 \cdot 3,) y

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\frac{( x - 7 ) ^{2} ( m x - 7 m )}{( x - 7 ) ^{3} + ( m x - 7 m ) ^{2}}

\frac{d}{d t} ((r (t, y, x)) (y + x cos (t)))

What is expand (1,3)y(-1,-2) ?
The solution to expand (1,3)y(-1,-2) is -1*(1*3,)y,-2(1*3,)y