JEE MATHEMATICS MCQ: RELATIONS

1 Easy

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Understanding +4 | -1

Let

\mathrm{L}

denote the set of all straight lines in a plane. Let a relation

\mathrm{R}

be defined by

\alpha \mathrm{R} \beta \Leftrightarrow \alpha \perp \beta, \alpha, \beta \in \mathrm{L}

. The

\mathrm{R}

View answer and explanation

Correct option: B

Symmetric

Option B (Symmetric) is correct because if line α is perpendicular to line β, then line β is also perpendicular to line α.

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\mathrm{Z}

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R=\{(x, y) \in W \times W \mid

x

y

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S

X

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X

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R