ra1929w9w
ra1929w9w ra1929w9w
  • 07-09-2020
  • Mathematics
contestada

How was this answered? i don't know how, pls. help​

How was this answered i dont know how pls help class=

Respuesta :

jimrgrant1 jimrgrant1
  • 07-09-2020

Answer:

see explanation

Step-by-step explanation:

Using [tex]\sqrt{-1}[/tex] = i, then i² = ([tex]\sqrt{-1}[/tex] )² = - 1

and i³ = i² × i = - 1 × i = - i

also

[tex]i^{4}[/tex] = i² × i² = - 1 × - 1 = 1

We can surmise that i raised to any multiple of 4 will equal 1

Given

[tex]i^{35}[/tex] ( note 35 = 32 + 3 and 32 is a multiple of 4 ), thus

= [tex]i^{32+3}[/tex]

= 1 × i³ = - i

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