tomchop0409
tomchop0409 tomchop0409
  • 28-02-2020
  • Mathematics
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Which of the following is equivalent to the expression below?

Which of the following is equivalent to the expression below class=

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gcantiga44
gcantiga44 gcantiga44
  • 28-02-2020

Answer:

2i√5

Step-by-step explanation:

√-20 = √-1 × √20

√-1 = i

√20 = 2√5

i × 2√5 = 2i√5

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