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Which choice is equivalent to the expression below?(square root)-49O A. -49O B. 49;O C. -7O D. 7;O E. 7+ i

Which choice is equivalent to the expression below?(square root)-49O A. -49O B. 49;O C. -7O D. 7;O E. 7+ i
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Which choice is equivalent to the expression below?(square root)-49O A. -49O B. 49;O C. -7O D. 7;O E. 7+ i

Which choice is equivalent to the expression below?(square root)-49O A. -49O B. 49;O-example-1
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User Amir MB
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8.7k points

1 Answer

2 votes

Notice that:


49=7^2,

therefore:


\sqrt[]{-49}=\sqrt[]{-7^2}=7i.

Answer: Option D.

answered
User SYOB SYOT
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8.3k points
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