25-10-2019
Mathematics

contestada

find the square of the imaginary number 2i

Respuesta :

devishri1977 devishri1977

25-10-2019

Answer:

-4

Step-by-step explanation:

(2i)² = 2²*i² = 4 * -1 = -4

Answer Link

Otras preguntas

What factors led to the poor relations between Europeans and Native Americas in Virginia?

the oringinal cost of a lamp is $18.95. the lamp is on sale for 25% off. how much will you pay?

Cynthia has just experienced a hassle, which could influence her cognitive functioning. she has most likely just experienced _____.

A patient is being discharged after being treated with nitroglycerin for angina. which instructions should the nurse include in the teaching plan for the patien

________ is the only state that does not require voter registration.

The percentage of erythrocytes in blood is known as the ________.

Select the reason why two molecules of benzaldehyde cannot react via the aldol condensation.

One function of glial cells is to

An average one-year-old requires about _______ kilocalories per day. A. 750 to 875 B. 850 to 1,000 C. 1,500 to 1,900 D. 2,000 to 2,300

Which of the following is true about low-income neighborhoods? A They encourage more physical activity with community events B They often have access to the