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Parabola question

2025 · 8 Apr · Shift 2 · Q48
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Parabola question

2025 · 8 Apr · Shift 2 · Q48

JEE MainMathematicsParabolaNumerical+4 / −1
Let rrr be the radius of the circle, which touches xxx- axis at point (a,0),a<0(a, 0), a\lt 0(a,0),a<0 and the parabola y2=9x\mathrm{y}^2=9 xy2=9x at the point (4,6)(4,6)(4,6). Then rrr is equal to ‾\underline{\hspace{2cm}}​.
Numerical answer
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