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

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

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

expand

(2, - 3 i) (- 2, 1 i)

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

Solution steps

(2, - 3 i) (- 2, 1 i)

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

Apply the distributive law:

a (b - c) = ab - a c

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

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

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

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