Question

If a(3-2√5) then find a+1/a

Answer 1

Answer:

a+1/a= 0

Step-by-step explanation:

a=3-2$\sqrt{5\\}$

a+1/a=3-2$\sqrt{5\\}$+1/3-2$\sqrt{5\\}$

=((3-2$\sqrt{5\\}$)²+1)/3-2$\sqrt{5\\}$

=(9-10+1)/3-2$\sqrt{5\\}$

(-1+1)/3-2$\sqrt{5\\}$

0/3-2$\sqrt{5\\}$4

=0