SOLUTION: z^4 -11z^2 +30=0
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Question 32542
:
z^4 -11z^2 +30=0
Answer by
mukhopadhyay(490)
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z^4 -11z^2 +30=0
=> (z^2-6)(z^2-5)=0
=> z=sqrt(6) or z=-sqrt(6) or z=sqrt(5) or z=-sqrt(5)
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