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In the following equations, find which v...

In the following equations, find which variables `x ,\ y ,\ z` etc. represent rational or irrational numbers: (i) `x^2=5\ ` (ii) `y^2=9` (iii) `z^2=0. 04` `(iv) u^2=(17)/4`

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RD SHARMA ENGLISH-NUMBER SYSTEM-All Questions
  1. Identify the following as rational or irrational numbers. Give the ...

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  2. Identify the following as rational or irrational numbers. Give the d...

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  3. In the following equations, find which variables x ,\ y ,\ z etc. repr...

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  4. In the following equations, find which variables x ,\ y ,\ z etc. repr...

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  5. Give an example of each, of two irrational numbers whose: (i) differ...

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  6. Give two rational numbers lying between 0. 232332333233332.... and 0....

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  7. Give two rational numbers lying between 0. 515115111511115.... and 0....

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  8. Find one irrational number between 0.2101 and 0.2222

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  9. Find a rational number and also an irrational number lying between t...

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  10. Find two irrational numbers between 0.5 and 0. 55

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  11. Find two irrational numbers lying between 0. 1\ \ a n d\ \ 0. 12

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  12. Prove that sqrt(3)+\ sqrt(5) is an irrational number.

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  13. Find three different irrational numbers between the rational number...

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  14. Complete the following sentences: (i) Every point on the number line c...

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  15. If the difference between the roots of the equation x^2+""a x""+""1...

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  16. Represent sqrt(3. 5) , sqrt(9. 4) , sqrt(10. 5) on the real number lin...

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  17. Find whether the following statements are true or false. (i) Every ...

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  18. Visualise 2. 665 on the number line, using successive magnification.

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  19. Visualise the representation of 5.3bar7on the number line upto 5 decim...

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  20. Which one of the following is a correct statement? </br>Decimal expan...

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