# Pair of Straight Lines Solutions for exercise 4(a) ( class 11 maths)

Intermediate first year mathematics 1b Pair of Straight Lines exercise 4(a) solutions are given.

You should study the textbook lesson Pair Straight Lines very well.

You should also observe the example problems and solutions given in the textbook.

Read the Key points given in the textbook.

Observe the solutions and try them in your own method.

**You can also see**

SSC Maths text book Solutions class 10

Inter Maths 1A Solutions textbook

Inter Maths 1B textbook solutions

Inter Maths 1IA text book solutions

Inter Maths IIB text book solutions

**The Straight Line**

Model papers for maths SSC class 10 and Inter

## Exercise 4(a) solutions inter maths 1b ( class 11 maths)

Class 11 math solution ( Inter 1st year maths 1B)

**Chapter – 4**

**Pair of Straight Lines**

**Exercise 4(a)**

Find the acute angle between the pair of lines represented by the following equations.

i. x^2 – 7xy + 12y^2 = 0.

iv.

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## Solutions for Pair of Straight Lines exercise 4(a)

Show that the following pairs of straight lines have the same set of angular bisectors (that is they are equal inclined to each other).

i. 2x^2 + 6 xy + y^2 = 0, 4x^2 + 18 xy + y^2 = 0.

**11.**

## Intermediate 1st year Maths 1b Pair of Straight Lines Exercise 4(a) solutions

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**Note : **Observe the solutions and try them in your own method.