Page 71 - 091math-wb-w6-(equations&inequalities-1)

Workbook

Sum and Difference of Radicals:

x. n a  y. n a  z. n a  n a x  y   z

Example 32: Perform the following operations given below.

a) .2 5 3  . 4 5 3

b) 16  . 5 3 54  . 3 2 2
3

c)  64  . 3 5 2
5

d) 4 a 4  9 a 9  25 a 25

Multiplication of Radicals:


If a b , 0  ,0 n  Z ,

n
a) a. n b  n a. b

m
b) a. n b  m. n a n b . m

Example 33: Perform the following operations given below.

71 091math-wb-w6-(equations&inequalities-1)