If z⁴+1/z⁴ =47 then find z³+1/z³
ronit23:
plzz answer
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the answer of this question is 18
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can u plzz tell me how
evrythng is clear frm the pic
how z³+1/z³=3
its z+1/z=3
last some steps are not clear for mr
me
when we take the( z+1/z)^2= zsqare+ 1/square +2 thn bg putting values we got 9 n by taking square root both side the answer cms 3
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1
Hope this may be helpful.
Thank you.
#adithyasajeevan
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plzz tell
It's "completing the square" method. Added 2 to both the sides for making the equation at left a square.
means 2 is added to both sides tto complete the square
Adding 2 to z^4 + 1/z^4 gives (z^2 + 1/z^2)^2.
yess
u r of which class
how z+1/z=3
plzz tell
Thank you for marking my answer as the brainliest.
I'm studying in 10th class.
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