Q91 of 131 Page 1

Simplify
(a) + -  
(b)

(a) = =
= =
    ... + - = +-   
= (1+2-3)
= 0

(b) = =
      = =
     ...
= x  
=
= 10 x 2
=20  

More from this chapter

All 131 →
89 Simplify each of the following:
         (i)     (ii) 90 Taking  and  (approx.).
Find the value to three places of decimals of each of the following:
(i)   
(ii)     92 Given that = 1.7321,  find correct to 3 places of decimals, the value of   93 Simplify by rationalizing the denominator  :
         (i)               (ii)