The equations and represent two lines in a plane

MATHEMATICS · Single correct · CBSE · Mathematics · Straight Lines · Straight Lines

Problem

The equations

3x + 4y - 7 = 0

and

4x - 3y + 1 = 0

represent two lines in a plane. These lines are (a) parallel (b) coincident (c) perpendicular (d) intersecting but not perpendicular