Question

rationalise 1 by root5 + root9​

Answer 1

Answer:

Step-by-step explanation:

(1)/(√5+√9)×(√5+√9)/(√5+√9)

(Following the formula (A+B)×(A-B)="A"square±"B"square

=(√5+√9)/(√5square)+(√9square)

=(√5+√9)/(5+9)

=√5+√9/14