TS EAMCET · Maths · Circle
The equation of the circle that touches the -axis at a distance of units from the origin and cuts off an intercept of units on the -axis is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
In △CAD, AC=r, AD=3, CD=4 ⇒r2=32+42=25 ⇒r=5 Coordinate of C(r,4)≡C(5,4) Similarly, C1(-5,4) Equation of circle (x±5)2+(y-4)2=25 ⇒x2+y2±10x-8y+16=0
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