If a is a complex number satisfying the equation z³ - (2+4i)z² - 3(1-3i)z + 14 - 2i = 0, where i = sqrt(-1), then which of the following is not a value of |z|?
(1) 2
(2) sqrt(5)
(3) sqrt(10)
(4) 3
 

z1z2z3=2i-14 |z1||z2||z3|=10 so it can't be 3 here is your answer hope thia will help u
  • -18
Thought, useful for you see the solution, thought it should help you
  • 5
option 3
  • -1
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