This film is about the forming curve in the plane. You can think the curve with the pass with the moving point. But we will acquit the curve satisfied certain condition. First, we only consider closed curves. That is closed with the moving point return to th...
From the question above, we can see that for n = 1, we will get 1 x 1! by the equation. And for n = 2, we have 2 x 2! and identically, we have 3 x 3!, when n = 3. There is a simple pattern. So, we can understand that the n x n! is the formula for the nth ter...
In this experiment, I don’t think there is not so much error. The reason for this is because we can only make an error in the measurement. The room temperature, humidity may cause some changes but I think in this experiment, we don’t have much effect by thes...
Chapter 1 Sturm’s Theorem 1.1 Sturm’s Thorem Definition 1.1 We define that the number of changed sign V (a1, · · · , an) for a = 1, · · · , an ∈ R is as follows. For the sequense (a1, · · ·...
What is DSL? I researched about DSL. DSL is a very high-speed connection for Internet. There are several kinds of popular connections for Internet. One ways is modem, which we use telephone line. Second way is LAN (Local Area Network). This connection mos...
A rectangle OABC rotates counter clockwise about the point O as shown in the diagram below, which is not drawn to scale Initially O is at (0,0), A is at (4,0), B is at (4,3), C is at (0,4). The diagram shows the rectangle after it has rotated through 20 ...
This experiment’s purpose is to determine the force of gravity using a simple pendulum. A simple pendulum consists of a heavy weight called the bob, supported from a fixed point about which the bob is free to swing by a string of insignificant mass. To calcul...
*Station1; test tube, copper (II) sulfate, small piece of zinc *Station2; test tube, iron (III) chloride, small piece of zinc, 5 drops of potassium hexacyanoferrate *Station3; test tube, 1.0M hydrochloric acid, small strip of magnesium metal, wooden splint,...