# algebra

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= 9¡î-3

is this correct

• algebra -

sorry I did not realize sqrt could not be read

sqrt-27 with a little three on the outside.

9sqrt-3

• algebra -

sqrt(-27)

First, you have the square root of a negative. Use i to express the sqrt(-1):
i*sqrt(27)

Consider that 27 = 3^3, or 9*3.

= i*sqrt(9*3)

The sqrt(9) is 3, so you have 3i*sqrt(3)

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