TS EAMCET · Maths · Complex Number
If \(a_k=\cos \alpha_k+i \sin \alpha_k, k=1,2,3\) and \(a_1, a_2, a_3\) are the roots of the equation \(x^3+b x+c=0\), then the real part of \(b=\)
- A -3
- B 1
- C 0
- D \(\frac{2}{3}\)
Answer & Solution
Correct Answer
(A) -3
Step-by-step Solution
Detailed explanation
Let the roots of \(x^3+b x+c=0\) is…
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