Q43 of 131 Page 1

Simplify by rationalising the denominator:

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[Rationalisation the denominator]              
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More from this chapter

All 131 →
41 Prove that
         (a) 2 + is not a rational number and 
         (b)  is not a rational number.               42 Simplify by rationalising the denominator: 44 Examine whether the following numbers are rational or irrational:
(i)     , (ii) (3-)(3+), (iii)   45 Simplify by rationalising the denominator: