Tamil Nadu Board of Secondary EducationHSC Arts Class 11th

# Write the equation of the lines through the point (1, −1) perpendicular to 3x + 4y = 6 - Mathematics

Sum

Write the equation of the lines through the point (1, −1) perpendicular to 3x + 4y = 6

#### Solution

Any line perpendicular to 3x + 4y – 6 = 0 will be of the form 4x – 3y + k = 0.

It passes through (1, –1)

⇒ 4 + 3 + k = 0

⇒ k = – 7.

So the required line is 4x – 3y – 7 = 0

Concept: Angle Between Two Straight Lines
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#### APPEARS IN

Tamil Nadu Board Samacheer Kalvi Class 11th Mathematics Volume 1 and 2 Answers Guide
Chapter 6 Two Dimensional Analytical Geometry
Exercise 6.3 | Q 4. (ii) | Page 271
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