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Popular >

simplify i^5-i^7

Solution

simplify

i^{5} - i^{7}

Solution

2 i

Solution steps

i^{5} - i^{7}

i^{5} = i

i^{7} = - i

= i - (- i)

Apply rule:

a - (- b) = a + b

i - (- i) = i + i

= i + i

Add similar elements:

i + i = 2 i

= 2 i

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Frequently Asked Questions (FAQ)

What is i^5-i^7 ?
The solution to i^5-i^7 is 2i