AP EAMCET · Maths · Circle
The radius of the circle whose centre lies at , while cutting the circle orthogonally, in units.
- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
Given circle equation is x2+y2+4x+16y-30=0 By comparing with x2+y2+2gx+2fy+c=0 2g=4, 2f= 16 & c=-30 Centre = C1 = -g, -f = -2, -8 Radius = r1 = g2+f2-c = 4+64+30= 98 Other circle centre…
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