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Qn #1244
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α, β are the roots of the an equation $x^2- 2x cosθ + 1 = 0$, then the equation having roots αn and βn is
A.
$$x^2-(2cos nθ)x+1=0$$
B.
$$x^2-(2cos nθ)x-1=0$$
C.
$$x^2+(2cos nθ)x+1=0$$
D.
$$x^2+(2cos nθ)x-1=0$$
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❓ Question: α, β are the roots of the an equation $x^2- 2x cos... | TANCET Group Studies | Tancet Group Studies