Question

rationalise the denominator in the following:-

Answer 1

Answer:

(5 sqrt of 3 )+ (3 sqrt of 5)

Step-by-step explanation:

just multiply the numerator and denominator by (5 sqrt of 3) + (3 sqrt of 5)

Answer 2

30/(5root3-3root5) × ( 5root3+3root5)/(5root3+3root5)

= 30 (5root3+3root5)/(75-45)

= 30 (5root3+3root5)/30

= 5root3 +3root5