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Popular >

simplify i(-i)

Solution

simplify

i (- i)

Solution

1

Solution steps

i (- i)

Apply rule:

a (- b) = - ab

i (- i) = - ii

= - ii

Apply exponent rule:

aa = a^{2}

ii = i^{2}

= - i^{2}

Apply imaginary number rule:

i^{2} = - 1

= - (- 1)

Apply rule:

- (- a) = a

- (- 1) = 1

= 1

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Frequently Asked Questions (FAQ)

What is i(-i) ?
The solution to i(-i) is 1