# <span lang="EN-US

Given:

a, b, c are in G.P.

To find:

Area of the triangle formed by the line ax + by + c = 0 with the coordinates axes.

Explanation:

The point of intersection of the line ax + by + c = 0 with the coordinate axis are (–c/a,0) and (0,-c/b).

So, the vertices of the triangle are (0, 0),

Let A be the area of the required triangle.

A

A

It is given that a, b and c are in GP.

b2 = ac

A

Hence, area A

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