Question

(2-√5)+ (2+√5)=??
please explain step by step ​

Answer 1

Answer:

(2-√5)+ (2+√5)=4

as (2-√5)+ (2+√5)

(√5-√5) + (2+2)

=4

Answer 2

Solution :-

Given :- (2-√5)+ (2+√5)

We have to simplify

Lets do step by step

Step:- 1

First write the given question

(2-√5)+ (2+√5)

Step :- 2

Open the brackets

(2-√5)+ (2+√5)

2 - √5 + 2 + √5

Step : 3

Keep like terms a side

2 + 2 -√5 + √5

Step :- 4

What we got simplify expression

4 - √5 + √5

4 +$\sqrt{ \not{5}}-{\sqrt{ \not{5}}}$

4

So, the value of (2-√5)+ (2+√5)= 4