Current location - Training Enrollment Network - Mathematics courses - A simple high school math problem: how to determine whether a point is on the left or right side of a vector?
A simple high school math problem: how to determine whether a point is on the left or right side of a vector?
Construct a vector and a-> vector; B vertical. Call it vector m.

Next are two inner product symbols:

(vector a->; C)*M and (vector a->; C')* M different symbols

Supplement:

Let vector a->; B=(x, y), let M = (y, -x) point to the right,

Everything (vector a->; c)* M & gt； C's of 0 are all on the right.

Everything (vector a->; c)* M & lt； C's of 0 are all on the left.

Related articles
  • How to write a lesson plan?
  • How to find the median in mathematics
  • What are the steps in junior high school math exercise class?
  • What is the formula for calculating the perimeter of grade three?
  • Prepare for the third grade math tutor lecture, and ask the experts to give you some advice on preparing lessons.
  • 3. 1-3.2 on the math BBS of the third grade.
  • 20 12 a math problem in yiwu senior high school entrance examination
  • What are the definitions of continuous quantity and discrete quantity in mathematics? Then give some examples to answer several questions about continuous quantity. I hope to get an answer.
  • What is the symbol of scale in mathematics?
  • People's education printing plate seventh grade mathematics exercise 140 page second question answer.

    • copyright 2024 Training Enrollment Network All rights reserved