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Answer the following: Simplify: (i65+1i145)

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Question

Answer the following:

Simplify: `("i"^65 + 1/"i"^145)`

Sum
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Solution

`("i"^65 + 1/"i"^145)`

= `|("i"^4)^16*"i" + 1/(("i"^4)^36*"i")|`

= `"i" + 1/"i"`

= `("i"^2 + 1)/"i"`

= `(-1 + 1)/"i"`

= 0

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Chapter 1: Complex Numbers - Miscellaneous Exercise 1.2 [Page 22]

APPEARS IN

Balbharati Mathematics and Statistics (Arts and Science) Part 2 [English] Standard 11 Maharashtra State Board
Chapter 1 Complex Numbers
Miscellaneous Exercise 1.2 | Q II. (16) (ii) | Page 22

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