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Express 1/(4-i)^2 in cartesian form.. is the answer 15/289 + 8i/289?? Am i rite??

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@Mandy_Nakamoto what kind of equation is that
it says to change it to x+iy form.. under the complex number topic..
i think your are correct lol not sure

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Other answers:

oh you have to draw it on Argand plane I think
yes you are right XD
yeah but Argand Plane will only give a graphical solution
yaaa katrina kaif to the resque
1/(4-i)^2 = 1/(15 - 8i) multiply by the conjugate ( 15+8i) (15+8i)/ 289 = 15/289 + 8i/289
Yay! im rite!!!! huhuhu...
good one Mandy
But about the argand plane.. i have to change the equation to cartesian form first rite??
no in order to draw it on argand plane you only need the x + iy format and the point is (x,y) understand
So bascially the point you will get is (15/289 , 8/289)
wow Rajarshi you are awesome at maths
but isnt cartesian form=x+iy form??
|dw:1331292622468:dw| get it
Thanks a lot guys!! ^^

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