Q87 of 131 Page 1

Simplify each of the following by rationalizing the denominator:
(i)  
(ii) 
(iii)   

(i)
      5+ is the rationalizing factor of 5 -  
                 =
(ii) is the rationalizing factor of

                      = .
(iii) 2 is the rationalizing factor of


= 

More from this chapter

All 131 →
85 Find the value to three places of decimals, of each of the following. It is given  that= 1.414,  = 1.732,   = 3.162 and = 2.236 (approx.)   (i) (ii)   (iii)   (iv)   (v)    (vi) 86 If both of a and b are rational numbers, find the values of a and b in each of the following equalities:
          (i)     (ii) (iii)
        (iv)  88 Rationalize the denominator of  
          (i) (ii)  (iii)  
89 Simplify each of the following:
         (i)     (ii)