Question

If the acute angles between the pairs of lines $3x^{2} - 7xy + 4y^{2} = 0$ and $6x^{2} - 5xy + y^{2} = 0$ be $\theta_{1}$ and $\theta_{2}$ respectively, then

• A. $\theta_{1} = \theta_{2}$
• B. $\theta_{1} = 2\theta_{2}$
• C. $2\theta_{1} = \theta_{2}$
• D. None of these

Answer 1

Answer: (A)

$\theta_{1} = \theta_{2}$

Answer 2

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