AP EAMCET · Maths · Pair of Lines
The number of values of for which the pair of lines represented by are at right angles to each other, is
- A
- B
- C infinitely many
- D
Answer & Solution
Correct Answer
(A)
Step-by-step Solution
Detailed explanation
The pair of the lines represented by the given equation will be perpendicular to each other, when Coefficient of x2+ coefficient of y2=0 3a+a2-2=0 On solving the above quadratic equation, a=-3±172 There are two values.
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\begin{array}{lll}
\hline & \multicolumn{1}{c}{ List-I } & List-II \\
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\hline
\end{array}
The correct matching is
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