Question

(4+root 7) expressed as a perfect square ,is equals to

Answer 1

take this this will help

and it is expressed as perfect square

Answer 2

Answer:

1/2(√7+1)^2

Step-by-step explanation:

(multiply and divide by 2) 4+√7= 1/2(8+2√7)

=1/2(7+1+2√7)

=1/2((√7)^2 + (1)^2 + 2√7))

the above step is in a^2 +b^2+2ab which can be written as (a+b)^2 =1/2(√7+1)^2