Q5 of 51 Page 3

Simplify :

(i) (ii)


(iii)


(iv)


(v)

i)



ii)


iii) rationalising factors of denominators are











(iv)


Rationalising factor for


For and


For








(v)


Rationalising factors for denominators are,


For


For and


For







More from this chapter

All 51 →
3

Express each one of the following with rational denominator:

(i) (ii) (iii)


(iv) (v) (vi) (vii) (viii) (ix)

 4

Rationales the denominator and simplify :

(i) (ii) (iii)


(iv) (v)


(vi)

 6

In each of the following determine rational numbers a and b.

(i) = a-b(ii)= a-


(iii) = a+b (iv) =a+b


(v) = a-b


(vi) =a+b

 7

If x = 2+, find the value of x3 + .