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Popular >

simplify 2i\times 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

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Frequently Asked Questions (FAQ)

What is 2i\times 2i ?
The solution to 2i\times 2i is -4