Q. 1 D5.0( 1 Vote )

Find the angles between each of the following pairs of straight lines :

x – 4y = 3 and 6x – y = 11

Answer :


The equations of the lines are

x 4y = 3 … (1)

6x y = 11 … (2)

To find:

Angles between two lines.


Let m1 and m2 be the slopes of these lines.

m1m2 = 6

Let θ be the angle between the lines.

Hence, the acute angle between the lines is

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