If the circles x2 + y2 + x + touch internally at the point P(, ), then is equal to
If the circles x2 + y2 + x + touch internally at the point P(, ), then is equal to
The circle has centre (3, 4) and radius 3 units
The circle
has centre and radius
These two circles touch internally hence
here, k = 2 is only possible
Equation of common tangent to two circle is
then equation is
…..(i)
are foot of perpendicular from (3, 4) to line (i) then
Similar Questions for you
ae = 2b
Or 4 (1 – e2) = e2
4 = 5e2 ->
If two circles intersect at two distinct points
->|r1 – r2| < C1C2 < r1 + r2
| r – 2| < < r + 2
|r – 2| < 5 and r + 2 > 5
–5 < r – 2 < 5 r > 3 … (2)
–3 < r < 7 … (1)
From (1) and (2)
3 < r < 7
x2 – y2 cosec2q = 5
x2 cosec2q + y2 = 5
and &n

Slope of axis =
⇒ 2y – 6 = x – 2
⇒ 2y – x – 4 = 0
2x + y – 6 = 0
4x + 2y – 12 = 0
α + 1.6 = 4 ⇒ α = 2.4
β + 2.8 = 6 ⇒
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Maths Ncert Solutions class 11th 2026
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