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Help on complex numbers 1) what is the reciprocal of 6i 2) what is the additive inverse of -4+5i 3) find the multiplicative inverse of 2+i 4) find the reciprocal of -3+5i 5) fin…
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Help on complex numbers 1) what is the reciprocal of 6i 2) what is the additive inverse of -4+5i 3) find the multiplicative inverse of 2+i 4) find the reciprocal of -3+5i 5) fin…
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Jul 18, 2016
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Help on complex numbers
1) what is the reciprocal of 6i
2) what is the additive inverse of -4+5i
3) find the multiplicative inverse of 2+i
4) find the reciprocal of -3+5i
5) find the magnitude of 5-12i
Mathematics
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Brian Chance
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1) 1/6i=-6i
2) - (-4+5i)=4-5i
3) 1/(2+i)=(2-i)/(4+1) = (2-i)/5
4)1/(-3+5i)=(-3-5i)/(9+25)
5) square root of ( 5*5 + 12*12) = 13
Posixpascal
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Jul 23, 2016
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Posixpascal
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