﻿ Find the area of triangle formed by the lines x – y + 1 = 0, 2x + y + 4 = 0 and x + 3 = 0.   : Kaysons Education

# Find The Area Of Triangle Formed By The Lines x – y + 1 = 0, 2x + y + 4 = 0 And x + 3 = 0.

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## Question

### Solution

Correct option is

8/3

where C­1 = (2) (0) – (1) (1) = –1

C2 = –[(1) (0) – (1) (–1) = –1

C3 = (1) (1) – (2) (–1) = 3

Putting these values, we get

(expanding along last row)

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