JEE Main 2022 Mathematics question
Let be a circle passing through (0, 6) and touching the parabola at (2, 4). Then A + C is equal to .
Answer: (1)
Solution
The tangent to at (2, 4) has slope 4: y − 4 = 4(x − 2), i.e. 4x − y − 4 = 0. The circle is 2)^{2}4)^{2}$ + λ (4x -
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