Solve -sqrt{2}i*2sqrt{2}i

$$- \sqrt { 2 } i \times 2 \sqrt { 2 } i$$

Evaluate

$$4$$

Solution Steps

Multiply i and 2i to get -2.

$$-2\left(-\sqrt{2}\right)\sqrt{2}$$

Multiply -2 and -1 to get 2.

$$2\sqrt{2}\sqrt{2}$$

Multiply \sqrt{2} and \sqrt{2} to get 2.

$$2\times 2$$

Multiply 2 and 2 to get 4.

$$4$$

Real Part

$$4$$

Solution Steps

Multiply i and 2i to get -2.

$$Re(-2\left(-\sqrt{2}\right)\sqrt{2})$$

Multiply -2 and -1 to get 2.

$$Re(2\sqrt{2}\sqrt{2})$$

Multiply \sqrt{2} and \sqrt{2} to get 2.

$$Re(2\times 2)$$

Multiply 2 and 2 to get 4.

$$Re(4)$$

The real part of 4 is 4.

$$4$$