Rationalise I) 6/√5+√2
ii) 1/8+5√2

Given :

6/√5+21/8+5√2

To find :-

The denominator in rationalized form .

Solution :-

Using Identity :-

a² - b² = (a+b)(a-b)

Solution 1:-

6/√5+26(√5-2)/(√5+2)(√5-2)6(√5-2)/√5²-2²6(√5-2)/5-46√5 - 12

Solution 2:-

1/8+5√21(8-5√2)/(8+5√2)(8-5√2)8-5√2/8²-(5√2)²8-5√2/64-508-5√2/14

paul's with a y-intercept of $ 2856