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let pi1,pi2,pi3 and z4 be the roots of t...

let `pi_1,pi_2,pi_3` and `z_4` be the roots of the equation `z^4 + z^3 +2=0` , then the value of `prod_(r=1)^(4) (2pi_r+1)` is equal to :

A

28

B

29

C

30

D

31

Text Solution

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The correct Answer is:
D
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