en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify i*2i

Solution

simplify

i \cdot 2 i

Solution

- 2

Solution steps

i 2 i

Apply exponent rule:

aa = a^{2}

ii = i^{2}

= i^{2} \cdot 2

= 2 i^{2}

Apply imaginary number rule:

i^{2} = - 1

= 2 (- 1)

Multiply the numbers:

2 (- 1) = - 2

= - 2

Popular Examples

expand (x+2)(x^2-4)expand

(x + 2) (x^{2} - 4)

simplify 90/10 simplify

\frac{90}{10}

simplify (24)/(3+(-5))-4(-9)simplify

\frac{24}{3 + ( - 5 )} - 4 (- 9)

simplify 5/((4x)^{-2)}simplify

\frac{5}{( 4 x ) ^{- 2}}

simplify sqrt(4)*sqrt(6)simplify

4 \cdot 6

Frequently Asked Questions (FAQ)

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