Find the value of upto three decimal places. (take √2 = 1.414 and √5 = 2.236)

5

Rationalise the denominators of the following:

i.
ii.

iii.
iv. 6

Simplify each of the following by rationalising the denominator:

i. ii.

iii. iv.

8

Find:

i. ii.

iii. iv.

v. vi.

9

Simplify :