en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify 2i*2i

Solution

simplify

2 i \cdot 2 i

Solution

- 4

Solution steps

2 i 2 i

Multiply the numbers:

2 \cdot 2 = 4

= 4 ii

Apply exponent rule:

aa = a^{2}

ii = i^{2}

= 4 i^{2}

Apply imaginary number rule:

i^{2} = - 1

= 4 (- 1)

Multiply the numbers:

4 (- 1) = - 4

= - 4

Popular Examples

simplify 18-2/3 simplify

18 - \frac{2}{3}

simplify (sqrt(6))/(sqrt(5))simplify

\frac{6}{5}

simplify sqrt(25+10\sqrt{5)+5}simplify

25 + 105 + 5

\frac{5}{5 x + 2} \geq 0

simplify 5/7-1/2 simplify

\frac{5}{7} - \frac{1}{2}

Frequently Asked Questions (FAQ)

What is 2i*2i ?
The solution to 2i*2i is -4