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Question

Draw the graphs of the following equations:
2x3y+6=0
2x+3y18=0
y2=0
Find the vertices of the triangle so obtained. Also, find the area of the triangle.

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Solution

Given,

2x3y+6=0

2x3y=6

Divide the equation by 6

x3+y2=1

2x+3y18=0

2x+3y=18

Divide the equation by 18

x9+y6=1

y2=0

y=2

Vertices of trianlge formed by the intersection of these lines is given by:

a(3,4),b(0,2),c(6,2)

area of trianlge

A=ax(bycy)+bx(cyay)+cx(ayby)2

=3(22)+0(24)+6(42)2

=6×22

=6

1408359_966022_ans_167cbf0c6b15441683143ba04b22b880.png

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