# Take photo of math problem

Take photo of math problem can support pupils to understand the material and improve their grades. Math can be a challenging subject for many students.

## The Best Take photo of math problem

Here, we will show you how to work with Take photo of math problem. Yu designed examples and exercises to review in the way of combining lecture with practice. In the process of example analysis, I reviewed the solution of the one-dimensional equation with my classmates, so that students can predict the errors that need to be avoided, and then use two exercises to strengthen training, so that everyone can solve equations and learn mathematics. In the process, Mr. Yu invited the students to perform on the stage as a demonstration, returning the classroom to the students, and doing everything from the students to the students.

Be able to judge the monotony, concavity and convexity of function graphics, the existence of inflection points and equation roots by using derivatives, and be able to solve geometric application problems of maximum and minimum values; When solving similar triangles, Mr. Sun suggested that students can also use parallel and other conditions to find similarities in comprehensive graphics, use vertical and other conditions to construct similarities, and use acute angle triangle ratio to solve. 11. Area problem: the area problem in the middle school entrance examination is often an irregular figure, which is not easy to solve directly.

Friends who have used the matrix solution library should also understand that function parameters and data transmission generally use address operations directly, and matrix operations must first ensure performance. This is also why many libraries use C-style coding. Even if C + + is used, it is mainly used to manage data, and the actual data operation is biased towards C-style. Arnoldi algorithm is an iterative method projected into Krylov subspace for asymmetric matrices. The Arnoldi algorithm was first proposed in 1951.

The solution of linear equations is the core of implicit finite element method. Considering the complexity of solving large-scale sparse symmetric matrix linear equations and the large number of solving libraries, as a series of articles, we will introduce it in more articles later. First, we briefly introduce two tool libraries for solving linear equations, mumps and openblas. The specific use methods will not be expanded.

However, we didn't learn complex numbers in junior high school, so we can't talk about them. We learned complex numbers in high school, but the solution of third-order equations and Fourth-order Equations does not introduce new knowledge. Universities are familiar with these, But solving equations is too thin to be a college course Therefore, although people spent a lot of time in history to get the root seeking formula for solving them, its final form is complex and the content involved is embarrassing, so it has been in the corner of mathematics teaching for many years This is also why it was mentioned at the beginning of this article that the solution of higher-order (here, it refers to more than two) equations in the exam must have rational roots that can be seen almost at a glance The solution of the cubic equation in history has enough plots to be written into novels, involving trust and betrayal Those who are interested in this can go directly to the major encyclopedias. Even the bad Baidu Encyclopedia, this story is basically exhaustive.

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### Wanda Bryant

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