The angle between the lines and is

MATHEMATICS · Single correct · ISC · Mathematics · Coordinate Geometry · Coordinate Geometry

Problem

The angle between the lines 2x−y+3=02x-y+3=0 and x+2y+3=0x+2y+3=0 is (1) 30∘30^\circ (2) 45∘45^\circ (3) 60∘60^\circ (4) 90∘90^\circ

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