laurensal01 laurensal01

09-04-2018
Mathematics

contestada

Expressed in simplest form i^16+i^6-2i^5+i^13 is equivalent to.....
A) 1
B) -1
C) i
D) -i

Expressed in simplest form i16i62i5i13 is equivalent to A 1 B 1 C i D i class=

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pokemonmaster101 pokemonmaster101

09-04-2018

i^16+i^6-2i^5+i^13
1+i^4+2-2i^4+1+i^12+1
1+i^4xi^2-2i^4xi^1+i^12xi^1
1+1x(-1)-2x1i+1i
1-1-2i+i
=-i so D

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