Q3 of 51 Page 3

Express each one of the following with rational denominator:

(i) (ii) (iii)


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

(i) we have rationalising factor of denominator is 3-√2






(ii) we have rationalising factor of denominator is


=




(iii) we have rationalising factor of denominator is


=


=


=


(iv) we have rationalising factor of


=


=


=


=


(v) we have rationalising factor of





(vi) we have rationalising factor of






(vii) we have rationalising factor of



=


Because;







(viii) we have rationalising factor of






(ix) we have rationalising factor of





More from this chapter

All 51 →
1

Rationalise the denominator of each of the following (i-vii) :

(i) (ii) (iii) (iv) (v) (vi) (vii)

2

Find the value to three places of decimals of each of the following. It is given that

= 1.414, = 1.732, =2.236 and = 3.162.


(i) (ii) (iii) (iv)


(v) (vi)

 4

Rationales the denominator and simplify :

(i) (ii) (iii)


(iv) (v)


(vi)

 5

Simplify :

(i) (ii)


(iii)


(iv)


(v)