2 years ago

Please help with these two questions, thank you

Mathematics

2 answers:

larisa [96]2 years ago

8 0

These problems are giving me a migraine so I’m sorry, I would help but I can’t

horrorfan [7]2 years ago

6 0

Answer:

i would......................if i knew howw to

Step-by-step explanation:

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What is the value of i 97 – i? –i 0 –2i i Superscript 96

Valentin [98]

The question is not clearly readable, but I'm assuming the expression which makes more sense, so you can have a clue

Answer:

$i^{97}-i=0$

Step-by-step explanation:

Powers of The Imaginary Unit

The imaginary unit i is defined as

$i=\sqrt{-1}$

The first powers of i are

$i^0=1$

$i^1=i$

$i^2=(\sqrt{-1})^2=-1$

$i^3=i.i^2=-i$

$i^4=i^2.i^2=1$

And so on the cycle repeats every four numbers. To find the value of $i^{96}$ we can find the remainder of 96/4=0. So $i^{96}=i^0=1$

The given expression is

$i^{97}-i$

Factoring

$i(i^{96}-1)$

Since $i^{96}=1$

$=i(1-1)=0$

The required value is 0

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Elena L [17]

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Step-by-step explanation:

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Find the area of the sector with a central angle of 120° and a radius of 8 inches. Leave in terms of π

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Answer:

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Step-by-step explanation:

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