5.2 Exercises
From Förberedande kurs i matematik 1
| Theory | Exercises |
Exercise 5.2:1
Which of the arrows \displaystyle \Rightarrow, \displaystyle \Leftarrow or \displaystyle \Leftrightarrow should you insert between the following equations? (Instead of the question mark.)
| a) | \displaystyle \tan x(\sin x+1) = 2\tan x\quad ?\quad\sin x+1=2 |
| b) | \displaystyle \sqrt{x-1} = x+1\quad ?\quad x-1 = (x+1)^2 |
| c) | \displaystyle x^2-6x+1=0\quad ?\quad (x-3)^2-9+1=0 |
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Exercise 5.2:2
Criticize the following excerpt from a solution made by a student.
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Exercise 5.2:3
Criticize the following excerpt from a solution made by a student.
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Exercise 5.2:4
Criticize the following excerpt from a solution made by a student.
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Exercise 5.2:5
Criticize the following excerpt from a solution made by a student.
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Exercise 5.2:6
Criticize the following excerpt from a solution made by a student.
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Exercise 5.2:7
Criticize the following excerpt from a solution made by a student.
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Exercise 5.2:8
Criticize the following excerpt from a solution made by a student.
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Exercise 5.2:9
Criticize the following excerpt from a solution made by a student.
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