Question

rationalise the denominator number:1.√5+4/√7-√15​

Answer 1

Step-by-step explanation:

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

√2=1.414, √3=1.732, √5=2.236 and √10=3.162.

(i) 2√3

(ii) 3√10

(iii) √5+1√2

(iv) √10+√15√2

(v) 2+√33

(vi) √2-1√5

Answer 2

Kindly see the above attchment