Question

6.) On simplification , find the
value of following expression
[2+√3 2-√3
2-13 2+13
+​

Answer 1

, then the value of

x

−

x

1

is:

HARD

ANSWER

x=3+2

2

x

1

=

3+2

2

1

×

3−2

2

3−2

2

=3−2

2

(

x

−

2

1

)

2

=x+

x

1

−2

=3+2

2

+3−2

2

−2=4

So,

x

−

x

1

=

4

=±12 Ans