conic-section

Question: The equation of the tangent to the parabola ${{y}^{2}}=9x$ which goes through the point (4, 10), is



1) $x+4y+1=0$
2) $9x+4y+4=0$
3) $x-4y+36=0$
4) $9x-4y+4=0$
Solution: Explanation: No Explanation
Parabola

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