Question

Add the following:-
7+√5 and -7+√5​

Answer 1

Answer:

2 root 5

Step-by-step explanation:

I m writing root as r.

7+r5 + (-7+r5)

= 7+ r5 -7 +r5

= r5 + r5

= 2 root 5

Hope it helps u :)

Answer 2

Step-by-step explanation:

$(7 + \sqrt{5} ) + ( - 7 + \sqrt{5} ) \\ 7 + \sqrt{5} - 7 + \sqrt{5} \\ 2 \sqrt{5}$