Question

if a=7-4√3 find the value of √a+√a=

Answer 1

Answer:

a=7-4√3

a=(2-√3)^2

taking square root both sides

√a=√(2-√3)^2

√a=2-√3

so √a+√a= 2-√3+2-√3

=2(2-√3)

Answer 2

Answer:

this is your solution.