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2 votes
What’s the answer???(SOMEONE PLEASE HELP)

What’s the answer???(SOMEONE PLEASE HELP)-example-1
User Scholar
by
6.5k points

2 Answers

5 votes

Answer:

= 5

Explanation:

i =
√(-1)

-4 - 9*
√(-1)

-4 + 9 *
√(1)

-4 + 9 * 1

-4 + 9

= 5



User Michael Roland
by
5.6k points
7 votes

Answer:


√(97)

Explanation:


|a + bi| = √(a^2 + b^2)


|-4 - 9i| = √((-4)^2 + (-9)^2)


|-4 - 9i| = √(16 + 81)


|-4 - 9i| = √(97)

User Annada
by
6.0k points