Question:
Simplify each of the following by rationalising the denominator:
(i)
(ii)
(iii)
(iv)
Answer:
(i) The rationalisation factor for
is
.Therefore, multiplying and dividing by
we have,
Q 26.
Find the value to three places of decimals, of each of the following:
It is given that 2 = 1.414 , 3 = 1.732, 10 = 3.162 and 5 = 2.236 (approx.).
(i) 2 + 1 5 (ii) 2 - 3 3 (iii) 10 - 5 2