Question

if a=14-6√5,then find the value of √a+(1/√a)​

Answer 1

Answer:

Va=v(14-6v5)=v(14-2v45)=3-v5

1/va=1/(3-v5)=(3+v5)/4

Va+1/va=3-v5+(3+v5)/4=(15-3v5)/4