What is expand (l,m,n)(1-4-2) ?

The solution to expand (l,m,n)(1-4-2) is 1*(,,lmn)-4(,,lmn)-2(,,lmn)

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expand (l,m,n)(1-4-2)

expand

(l, m, n) (1 - 4 - 2)

1 \cdot (,, l mn) - 4 (,, l mn) - 2 (,, l mn)

Solution steps

(l, m, n) (1 - 4 - 2)

= (1 - 4 - 2) (,, l mn)

Distribute parentheses

= (l, m, n) \cdot 1 + (l, m, n) (- 4) + (l, m, n) (- 2)

Apply minus-plus rules

+ (- a) = - a

= 1 \cdot (,, l mn) - 4 (,, l mn) - 2 (,, l mn)

\frac{x + y i}{( x - y i ) ^{2}}

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(x + 2)^{3} d x

What is expand (l,m,n)(1-4-2) ?
The solution to expand (l,m,n)(1-4-2) is 1*(,,lmn)-4(,,lmn)-2(,,lmn)