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Question

The length of intercept, made by the circle x2+y2+10x6y+9=0 on the xaxis is units

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Solution

Comparing the given equation with x2+y2+2gx+2fy+c=0, we get
g=5,f=3 and c=9.
Length of intercept on x-axis =2g2c
=2(5)29
=8 units

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