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5.2 Exercises

From Förberedande kurs i matematik 1

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       Theory          Exercises      

Exercise 5.2:1

Which of the arrows , or should you insert between the following equations? (Instead of the question mark.)

a) tanx(sinx+1)=2tanx ?sinx+1=2
b) x−1=x+1 ?x−1=(x+1)2 
c) x2−6x+1=0 ?(x−3)2−9+1=0

Answer | Solution


Exercise 5.2:2

Criticize the following excerpt from a solution made by a student.

Solution


Exercise 5.2:3

Criticize the following excerpt from a solution made by a student.

Solution


Exercise 5.2:4

Criticize the following excerpt from a solution made by a student.

Solution


Exercise 5.2:5

Criticize the following excerpt from a solution made by a student.

Solution


Exercise 5.2:6

Criticize the following excerpt from a solution made by a student.

Solution


Exercise 5.2:7

Criticize the following excerpt from a solution made by a student.

Solution


Exercise 5.2:8

Criticize the following excerpt from a solution made by a student.

Solution


Exercise 5.2:9

Criticize the following excerpt from a solution made by a student.

Solution

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