If II , β, γ, σ are the roots of the equation x 4 + 4x 3 - 6x 2 + 7x - 9 = 0, then the…
Mathematics · JEE Main · NTA Exams — Complex Numbers and Quadratic Equations
If \(\text { II }\), β, γ, σ are the roots of the equation x4 + 4x3 - 6x2 + 7x - 9 = 0, then the value of (1 + \(\text { II }\)2) (1 + β2) ( 1 + γ2) (1 + σ2) is
- 9
- 5
- 11
- 13
Answer
(A) 9
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