Difference between revisions of "Real numbers"
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| Line 35: | Line 35: | ||
===Learning objectives=== | ===Learning objectives=== | ||
===Notes for teachers=== | ===Notes for teachers=== | ||
| + | *Exercise 1.3.1 | ||
| + | 1.Write four possible irrational numbers between 4 and 5. | ||
| + | #Solution: | ||
| + | #Consider the squares of 4 and 5 | ||
| + | #Square of 4 is= 16 and Square of 5 is= 25 | ||
| + | #We can also write 4 and 5 as | ||
| + | #√ 16 =4 and √ 25 =5 | ||
| + | #Between √ 16 and √ 25 there exists | ||
| + | #√ 17 ,√ 18 , √ 19 , √ 20 , √ 21 , √ 22 , √ 23 , √ 24 | ||
| + | |||
===Activity No # === | ===Activity No # === | ||
{| style="height:10px; float:right; align:center;" | {| style="height:10px; float:right; align:center;" | ||
Revision as of 20:15, 21 January 2014
| Philosophy of Mathematics |
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- Exercise 1.3.1
1.Write four possible irrational numbers between 4 and 5.
- Solution:
- Consider the squares of 4 and 5
- Square of 4 is= 16 and Square of 5 is= 25
- We can also write 4 and 5 as
- √ 16 =4 and √ 25 =5
- Between √ 16 and √ 25 there exists
- √ 17 ,√ 18 , √ 19 , √ 20 , √ 21 , √ 22 , √ 23 , √ 24
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