Question
A line which touches both $\mathrm{y}^{2}-8 \mathrm{x}=0$ and $\mathrm{x}^{2}+\mathrm{y}^{2}+8 \mathrm{x}+14=0$ is(a) $x+y+2=0$(b) $x+y-2=0$(c) $x-y+2=0$(d) $x-y-2=0$
Step 1
The equation of the parabola is $y^{2}-8x=0$ and the equation of the circle is $x^{2}+y^{2}+8x+14=0$. Show more…
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