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State in each case whether true or false...

State in each case whether true or false:
`sqrt(2) + sqrt(3)= sqrt(5)`

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The correct Answer is:
False
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ICSE-RATIONAL AND IRRATIONAL NUMBERS -EXERCISE 1 (B)
  1. Find the square of : sqrt(5)-2

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  2. Find the square of : 3+2sqrt(5)

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  3. State in each case whether true or false: sqrt(2) + sqrt(3)= sqrt(5...

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  4. State in each case whether true or false: 2sqrt(4)+2=6

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  5. State in each case whether true or false: 3sqrt(7)-2sqrt(7)= sqrt(7...

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  6. State in each case whether true or false: (2)/(7) is an irrational n...

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  7. State in each case whether true or false: (5)/(11) is a rational num...

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  8. State in each case whether true or false: All rational numbers are r...

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  9. State in each case whether true or false: All real numbers are ratio...

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  10. State in each case whether true or false: Some real numbers are rat...

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  11. Given universal set = { -6 , -5 (3)/(4) , -sqrt(4), - (3)/(5), -(3)/(8...

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  12. Prove that each of the numbers is irrational : sqrt(3) +sqrt(2)

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  13. Prove that each of the numbers is irrational : 3-sqrt(2)

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  14. Prove that each of the numbers is irrational : sqrt(5) -2

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  15. Write a pair of irrational numbers whose sum is irrational .

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  16. Write a pair of irrational numbers whose sum is rational .

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  17. Write of pair of irrational numbers whose difference is irrational .

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  18. Write a pair of irrational numbers whose difference is rational.

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  19. Write a pair of irrational numbers whose product is irrational.

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  20. Write a pair of irrational numbers whose product is rational.

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