Equation of circle passing through the origin and making intercepts of length 10 units and 12 units on x axis and y axis respectively, can be
A
x2+y2+5x+6y=0
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B
x2+y2−10x−12y=0
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C
x2+y2+10x−12y=0
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D
x2+y2−10x+12y=0
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Solution
The correct options are Bx2+y2−10x−12y=0 Cx2+y2+10x−12y=0 Dx2+y2−10x+12y=0 Let the circle x2+y2+2gx+2fy+c=0 passes through (0,0). Then 0+0+0+0+c=0 ⇒c=0
Intercept on x-axis : 2√g2−c=10 ⇒g2=52 ⇒g=±5 Intercept made on y-axis : 2√f2−c=12 ⇒f2=62 ⇒f=±6 ∴ Required circles are x2+y2±10x±12y=0