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mridrik Group TitleBest ResponseYou've already chosen the best response.0
How do you do this?
 one year ago

TAKEBACKMATH Group TitleBest ResponseYou've already chosen the best response.0
what is modulus?
 one year ago

mridrik Group TitleBest ResponseYou've already chosen the best response.0
hard to explain, at least for me it is
 one year ago

mathslover Group TitleBest ResponseYou've already chosen the best response.3
@mridrik Do you know how to find the modulus of the general form of complex numbers?
 one year ago

mridrik Group TitleBest ResponseYou've already chosen the best response.0
I know like 8 % 12 = 8 and stuff like that
 one year ago

mathslover Group TitleBest ResponseYou've already chosen the best response.3
OK no problem, let me give you an introduction to the modulus of complex numbers.
 one year ago

mathslover Group TitleBest ResponseYou've already chosen the best response.3
Let there be Z (a complex number ) = a + ib So , we have to find the modulus of Z = Z = a+ib It is given by Z = \(\sqrt{x^2+y^2}\)
 one year ago

mathslover Group TitleBest ResponseYou've already chosen the best response.3
oops sorry Z = \(\sqrt{a^2+b^2}\)
 one year ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.2
dw:1350706728154:dw
 one year ago

mridrik Group TitleBest ResponseYou've already chosen the best response.0
so positive radical 113?
 one year ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.2
dw:1350706781969:dw
 one year ago

mathslover Group TitleBest ResponseYou've already chosen the best response.3
so let us take the question itself as an example : 78i = \(\sqrt{7^2+8^2}\)= \(\sqrt{49 + 64} = \sqrt{113}\)
 one year ago

mathslover Group TitleBest ResponseYou've already chosen the best response.3
Good work @mridrik , you're right!
 one year ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.2
right!
 one year ago

mridrik Group TitleBest ResponseYou've already chosen the best response.0
alright thanks, what were you drawing there unkle?
 one year ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.2
i plotted the point 7  8i on an Argand diagram, then used the Pythagorean relation to determine the distance form the origin of the point
 one year ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.2
from*
 one year ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.2
modulus is just the length of the vector
 one year ago
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