The roots of the equation, (x 2 + 1) 2 = x(3x 2 + 4x + 3), are given by
Mathematics · JEE Advanced · NTA Exams — Complex Numbers and Quadratic Equations
The roots of the equation, (x2 + 1)2 = x(3x2 + 4x + 3), are given by
- \(2-\sqrt{3}\)
- \((-1+i \sqrt{3}) / 2, i=\sqrt{-1}\)
- \(2+\sqrt{3}\)
- \((-1-i \sqrt{3}) / 2, i=\sqrt{-1}\)
Answer
(A) 2- 3, (B) (-1+i 3 ) / 2, i= -1, (C) 2+ 3, (D) (-1-i 3 ) / 2, i= -1
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Number of common roots of the equations and z^ 1985 +z^ 100 +1=0 , z being a complex number, is
- If a < b < c < d, then for any positive λ, the quadratic equation (x – a) (x – c) + λ(x – b) (x – d) = 0 has
- Let z 1 and z 2 be two roots of the equation z 2 + az + b = 0, z being complex. Further, assume that the…
- If z 1 , z 2 , z 3 , z 4 are roots of the equation a 0 z 4 + a 1 z 3 + a 2 z 2 + a 3 z + a 4 = 0, where a 0 …
- b > 0 and θ ∈ (–π, π], then the value of θ is
- Let w = cos and α = w + w 2 + w 4 and β = w 3 + w 5 + w 6 . 2α equals :
- If a complex number z has modulus 1 and argument π/3, then z 2 + z
- If z_ n = n(n+1)(n+2) +i n(n+1)(n+2) for n=1, 2, 3, ....., k, then the value of k Lim (z 1 z 2 .....z k ) is
More Complex Numbers and Quadratic Equations questions · Browse all practice questions