Cho hàm số $y=f\left(x\right)$ xác định trên $\left[-1;1\right]$ và có đồ thị là nửa đường tròn tâm $O$ bán kính $R=1$ như hình bên. Khi đó ${\displaystyle \underset{0}{\overset{1}{\int }}f\left(x\right)}dx$ bằng

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the correct sentence which is built from the words and phrases given:

  interesting / visiting / is / favorite / places / entertainment / my
  
  

• Choose the correct sentence which is built from the words and phrases given:

  summer / for / often / every / go / vacation / I / relaxing / somewhere
  
  

• Choose one sentence that has the same meaning as the root one:

  His daughter continued to cry until he was out of sight.
  
  

• Choose one sentence that has the same meaning as the root one:

  What a pity! He could not come.
  
  

• Choose one sentence that has the same meaning as the root one:

  Peter has no ability to remember the grammatical rules.
  
  

• Choose one sentence that has the same meaning as the root one:

  This problem is beyond my understanding.
  
  

• Choose one sentence that has the same meaning as the root one:

  They have not finally decided on whether to adopt a new project.
  
  

• Choose one sentence that has the same meaning as the root one:

  It is ten years since any bears have been caught in the area.
  
  

• Choose one sentence that has the same meaning as the root one:

  The whole project would have fallen through without his support and hard work.
  
  

• Choose one sentence that has the same meaning as the root one:

  No one can predict the future accurately.