Find the equation or
Find the equations of circles passing through (1.-1). touching the lines
3x-4y-10and4x+3y+5
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Answer:
Step-by-step explanation:
let centre be alpha,beta
length of tangent=length of tangent
3a-4b-10 =+-( 4a+3b+5)
3a-4b-10=4a+3b+5
a+7b+15=0
7a-b-5=0
on solving you get
b=2.2
a=1.1
radius^2 = 0.1^2+3.3^2 = 0.01+10.89
radius^2=10.9
therefore equation of circle
x-1.1 ^2 + y-2.2 ^2 = 10.9
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