What is expand A(-2,4,-7)*B(5,-1,3) ?

The solution to expand A(-2,4,-7)*B(5,-1,3) is -2AB,4,5,2,4,1,3-7*5AB,7*1,3

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expand A(-2,4,-7)*B(5,-1,3)

expand

A (- 2, 4, - 7) \cdot B (5, - 1, 3)

- 2 A B, 4, 5, 2, 4, 1, 3 - 7 \cdot 5 A B, 7 \cdot 1, 3

Solution steps

A (- 2, 4, - 7) B (5, - 1, 3)

= (- 2 \cdot 4,, - 7) (5, - 1 \cdot 3,) A B

Expand

(- 2, 4, - 7) (5, - 1, 3) : - 2, 4, 5, 2, 4, 1, 3 - 7 \cdot 5, 7 \cdot 1, 3

= A B (- 2, 4, 5, 2, 4, 1, 3 - 7 \cdot 5, 7 \cdot 1, 3)

Expand

A B (- 2, 4, 5, 2, 4, 1, 3 - 7 \cdot 5, 7 \cdot 1, 3) : - 2 A B, 4, 5, 2, 4, 1, 3 - 7 \cdot 5 A B, 7 \cdot 1, 3

= - 2 A B, 4, 5, 2, 4, 1, 3 - 7 \cdot 5 A B, 7 \cdot 1, 3

e^{x} (- \frac{1}{3} cos (3 x) + C)

(a + b - c) (d + e)

\frac{k ^{3}}{( n ^{4} + k ^{4} ) ^{2}}

cos (6 t) U (t - \frac{π}{2})

\frac{( - sin ( x ) + 1 ) ^{2}}{1 - sin ( x ) ∣ 1 - sin ( x ) ∣}

What is expand A(-2,4,-7)*B(5,-1,3) ?
The solution to expand A(-2,4,-7)*B(5,-1,3) is -2AB,4,5,2,4,1,3-7*5AB,7*1,3