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  • 03-02-2019
  • Mathematics
contestada

Complex Numbers

Multiply

√-4 * √-25 And show all intermediate steps. Alternative notation is sqrt(-4) * sqrt(-25).

Respuesta :

Cathi Cathi
  • 03-02-2019
When you have a negative in a square root. It comes out as an i. So you have i square root of 4. That comes to be 2i. The next one comes out to be 5i. Then multiply 2i times 5i. = 10 I squared then the answer is -10
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