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Popular >

simplify-5i^3

Solution

simplify

- 5 i^{3}

Solution

5 i

Solution steps

- 5 i^{3}

Apply exponent rule:

a^{b + c} = a^{b} \cdot a^{c}

i^{3} = i^{2} i

= - 5 i^{2} i

Apply imaginary number rule:

i^{2} = - 1

= - 5 (- 1 i)

Apply rule:

1 \cdot a = a

- 1 i = - i

= - 5 (- i)

Apply rule:

- a (- b) = ab

- 5 (- i) = 5 i

= 5 i

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Frequently Asked Questions (FAQ)

What is simplify-5i^3 ?
The solution to simplify-5i^3 is 5i