Parabola focus & directrix review (article)
Let P (x, y) be any point on the parabola whose focus is (-4, 2) and the directrix x + y – 3 = 0. As we already know that the distance of a point P from focus = distance of a point P from directrix. So, √ (x + 4) 2 + (y – 2) 2 =. On
Explain mathematic equation
One way to think about math problems is to consider them as puzzles. To solve a math problem, you need to figure out what information you have.
Deal with math
One plus one is two.
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