Question

3√5/5 find the square​

Answer 1

(3√5 /5)^2

= (3/√5)^2

= 9/5

Answer 2

Step-by-step explanation:

We have to find the square of (3√5/5) i.e. (3√5/5)^2

Now,

(3√5/5)^2

= ((3√5)/(√5 × √5))^2 (Since, 5 = √5 × √5)

=(3/√5)^2 (By simplification)

= 3^2/(√5)^2 ( Since, (a/b) ^2 = a^2/b^2)

=3×3/(√5 × √5) (Since, a^2 = a×a )

= 9/5