Question

if x =3+2 underoot 2, then check whether x+1/x is a rational or irrational

Answer 1

♠Answer♠

x + 1/x Is Rational

as , x = 3 + 2√2

1/x Will Be 3 - 2√2

As , 1 /(3+2√2) × (3-2√2)/(3-2√2)

= 3 - 2√2


Hence , 3 + 2√2 + 3 - 2√2

= 6

Which is Rational .

#SupermanINFINITY