Is the line \(l\) given by \(ax+by=c\) perpendicular to the line \(2x+7y=3?\)

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Is the line \(l\) given by \(ax+by=c\) perpendicular to the line \(2x+7y=3?\)

by AAPL » Wed Jan 01, 2025 10:19 am

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Is the line \(l\) given by \(ax+by=c\) perpendicular to the line \(2x+7y=3?\)

1. \(2a+7b=0\)

2. Line \(l\) is parallel to the line \(2y-7x=3\)

OA D

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Source: Beat The GMAT — Data Sufficiency | Wed Jan 01, 2025 10:19 am

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