Equation of a circle with radius 3 and centre is the point of intersection of a line 2 x + 3 y is equal to 5 and 2 x minus y is equal to 1 is
Answers
Answered by
1
equation of a general circle is
(x-h)²+(y-k)²=r²
h,k are co-ordinates of center of a circle.
2h+3k=5.... equation 1
2h-k=1......... equation 2
subtracting both the two equations
4k=4
k=1
h=1
so, equation of circle is
(x-1)²+(y-1)²=9
(x-h)²+(y-k)²=r²
h,k are co-ordinates of center of a circle.
2h+3k=5.... equation 1
2h-k=1......... equation 2
subtracting both the two equations
4k=4
k=1
h=1
so, equation of circle is
(x-1)²+(y-1)²=9
Similar questions