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McGraw Hill Integrated II, 2012

MH

McGraw Hill Integrated II, 2012 View details

2. Complex Numbers

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Exercise 23 Page 182

Recall that i^2=- 1 and sqrt(- 1)=i.

- 144i

Practice makes perfect

We can simplify the given expression by combining like terms.

4i(- 6i)^2

NegBaseToPosBase

(- a)^2=a^2

4i(36 * i^2)

i^2=- 1

4i(36(- 1))

a(- b)=- a * b

4i(- 36)

a(- b)=- a * b

- 144i

Subchapter links

Exercises p.182-184