Question

Find the value of a and b 4+2 √5 / 4-3√5 = a+b √5​

Answer 1

Explanation:

4+2√5/4-3√5= (4+2√5)*(4+3√5)/(4-3√5)*(4+3√5)

= 16+12√5+8√5+30/ 16-45

= 46+ 20√5/(-) 24

= (-)23/12+(-)10√5/12

so value of a = (-)23/12

& b= (-)10/12