Question

this one just answer me plssssss

Answer 1

a^2-b^2=(a+b)(a-b)
=(3+√5/3-√5 +3-√5/3+√5)(3+√5/3-√5 -(3-√5/3+√5)}

;=(9+5+6√5+5+9-6√5/9-5)(9+5+6√5-(5+9-6√5/9-5)

:=(28/4)(9+5+6√5-5-9+6√5/4)

:=(28/ 4)×12√5/4

;=7×3√5

;=21√5

is your answer

Answer 2

The answer is 21root5.


Hope this helps!