conic-section

Question: The line $x-y+2=0$ touches the parabola ${{y}^{2}}=8x$ at the point



1) $(2,\ -4)$
2) $(1,\ 2\sqrt{2})$
3) $(4,\ -4\sqrt{2})$
4) (2, 4)
Solution: Explanation: No Explanation
Parabola

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