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5.2 Exercises

From Förberedande kurs i matematik 1

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|width="100%" | <math>x^2-6x+1=0\quad ?\quad (x-3)^2-9+1=0</math>
|width="100%" | <math>x^2-6x+1=0\quad ?\quad (x-3)^2-9+1=0</math>
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</div>{{#NAVCONTENT:Answer|Answer 5.2:1|Solution|Solution 5.2:1}}
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</div>{{#NAVCONTENT:Answer|Answer 5.2:1|Solution a|Solution 5.2:1a|Solution b|Solution 5.2:1b|Solution c|Solution 5.2:1c}}

Revision as of 08:28, 29 January 2009

       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) x1=x+1 ?x1=(x+1)2 
c) x26x+1=0 ?(x3)29+1=0


Exercise 5.2:2

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


Exercise 5.2:3

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


Exercise 5.2:4

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


Exercise 5.2:5

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


Exercise 5.2:6

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


Exercise 5.2:7

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


Exercise 5.2:8

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


Exercise 5.2:9

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