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Two lines 1 6 z 3 1 y 1 3 x − − = + = − and 4 3 z 6 2 y 7 5 x − = − − = + intersect at the point R. The reflection of R in the xy-plane has coordinates :

1. (2, 4, 7)
2. (2, –4, –7)
3. (2, –4, 7)
4. (–2, 4, 7) CAREER POINT CAREER POINT , CP Tower, IPIA, Road No.1, Kota (Raj.), : 0744-6630500 | www.ecareerpoint.com Email: info@cpil.in Page # 6 JEE Main Online

Correct answer: (2, –4, –7)

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