1.

Which of the following is correct in respect of the equation 3 – tan2θ = α(1 – 3tan2θ)? (Given that α is a real number.)

A. α ∈ [1/3, 3]
B. α ∈ (-∝, 1/3] ∪ [3, ∝)
C. α ∈ (-∝, 1/3) ∪ (3, ∝)
D. None of the above
Answer» C. α ∈ (-∝, 1/3) ∪ (3, ∝)


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