Real Numbers
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Exercise 1.1
Euclid's division lemma and finding HCF by using Euclid's division algorithm
Square of a positive integer is in the form of 5P or 5P+1 or 5P+4 (Exercise-1.1-3rd Problem-Model)
Cube of a positive integer is in the form of 9m or 9m+1 or 9m+8 (Exercise 1.1- 4th Problem)
Exercise 1.4
Prove that √2 is an irrational number (Model Problem-1 from Exercise 1.4)
Prove that 5√2+7√3 is an irrational number (Model problem-2 from Exercise 1.4)
Prove that 3√5 +4 is an irrational (Model problem-3 from Exercise 1.4)
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Model Problems from Real Numbers for Practice
Slip test on Real Numbers for Model
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